Best Small Postage Boxes Large Letter of 2026

Last updated on 01/04/2026
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1
MEG4TEC White Box Mini Square 10x10x2cm (4x4x0.8 Inches), Mailing Postal PIP Large Letter Boxes (Pack of 100)
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MEG4TEC White Box Mini Square 10x10x2cm (4x4x0.8 Inches), Mailing Postal PIP Large Letter Boxes (Pack of 100)

MEG4TEC
Why we love it
  • Versatile shipping solution.
  • Compact & secure design.
  • Durable construction ensures safety.
Main Highlights
  • Versatile Shipping Solution: Pack of 100 WHITE 10x10x2cm MINI SQUARE (PIP) CARDBOARD BOXES
  • Compact & Secure Design: Plain white inside and out, with INTERNAL DIMENSIONS: 10x10x2cm and EXTERNAL SIZE: 11.5x10.5x2.2cm (4"x4"x0.8"). Designed for LARGE LETTER qualifications at 18g.
  • Durable Construction: Crafted from sturdy 1mm thick single-wall cardboard for secure transit, ensuring items reach their destination safely
  • Easy Assembly & Eco-Friendly: Quick to assemble, sealable with clear/brown tape. Made from recycled materials, these boxes are fully recyclable, promoting environmental sustainability.
  • Ideal For: Jewellery, rings, earrings, necklaces, bracelets, watches, cosmetics, make up, wax melts, and gifts
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9.7
Exceptional
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9.7
Exceptional
MEG4TEC

MEG4TEC White Box Mini Square 10x10x2cm (4x4x0.8 Inches), Mailing Postal PIP Large Letter Boxes (Pack of 100)

Why we love it
  • Versatile shipping solution.
  • Compact & secure design.
  • Durable construction ensures safety.
Main Highlights
  • Versatile Shipping Solution: Pack of 100 WHITE 10x10x2cm MINI SQUARE (PIP) CARDBOARD BOXES
  • Compact & Secure Design: Plain white inside and out, with INTERNAL DIMENSIONS: 10x10x2cm and EXTERNAL SIZE: 11.5x10.5x2.2cm (4"x4"x0.8"). Designed for LARGE LETTER qualifications at 18g.
  • Durable Construction: Crafted from sturdy 1mm thick single-wall cardboard for secure transit, ensuring items reach their destination safely
  • Easy Assembly & Eco-Friendly: Quick to assemble, sealable with clear/brown tape. Made from recycled materials, these boxes are fully recyclable, promoting environmental sustainability.
  • Ideal For: Jewellery, rings, earrings, necklaces, bracelets, watches, cosmetics, make up, wax melts, and gifts
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Value for Money
2
iDEALS UK PACKAGING LTD 50 x C5 A5 Postal Pip Boxes Large Letter Boxes Generic Shipping Boxes Cardboard Boxes For Posting Large Letter Postage Boxes (Black)
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iDEALS UK PACKAGING LTD 50 x C5 A5 Postal Pip Boxes Large Letter Boxes Generic Shipping Boxes Cardboard Boxes For Posting Large Letter Postage Boxes (Black)

iDEALS UK PACKAGING LTD
Why we love it
  • Strong and durable design. Easy to assemble. Environmentally friendly materials.
Main Highlights
  • These Letterbox Boxes Are Made With White Strong 150 K/T E-Flute Cardboard, Perfect Small Boxes For Posting Or To Be Used As Cardboard Gift Box, C5 Mailing Boxes C5 Box Mailers For Generic Products
  • Internal Size* : 229 x 159 x 20mm (23x16x2cm), External Size* : 245 x 165 x 24mm (24.5x16.5x2.4cm), Weight* : 45 Grams Approximately, Light Weight White Large Letter Cardboard Box
  • Manufactured From 70% Recycled Materials And 100% Recyclable And Compostable. You Can Reduce Your Environmental Impact Significantly By Using These Boxes For Posting Your Items And Gifts
  • Manufactured To Standard Fefco 0427 Design, Easy Assembling With Scored Fold Lines And Inset Folds, These Boxes Are Quick And Easy To Assemble And Do Not Require Staples Or Glue. Delivered Flat Packed
  • Best Value Packaging Boxes For Small Business, Cardboard Shipping Boxes, Postal Boxes, A5 Postal Boxes, Letter Box Boxes For Posting, Wax Melt Packaging Boxes, Flat Boxes For Gifts, Boxes For Shipping
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9.5
Superb
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9.5
Superb
iDEALS UK PACKAGING LTD

iDEALS UK PACKAGING LTD 50 x C5 A5 Postal Pip Boxes Large Letter Boxes Generic Shipping Boxes Cardboard Boxes For Posting Large Letter Postage Boxes (Black)

Why we love it
  • Strong and durable design. Easy to assemble. Environmentally friendly materials.
Main Highlights
  • These Letterbox Boxes Are Made With White Strong 150 K/T E-Flute Cardboard, Perfect Small Boxes For Posting Or To Be Used As Cardboard Gift Box, C5 Mailing Boxes C5 Box Mailers For Generic Products
  • Internal Size* : 229 x 159 x 20mm (23x16x2cm), External Size* : 245 x 165 x 24mm (24.5x16.5x2.4cm), Weight* : 45 Grams Approximately, Light Weight White Large Letter Cardboard Box
  • Manufactured From 70% Recycled Materials And 100% Recyclable And Compostable. You Can Reduce Your Environmental Impact Significantly By Using These Boxes For Posting Your Items And Gifts
  • Manufactured To Standard Fefco 0427 Design, Easy Assembling With Scored Fold Lines And Inset Folds, These Boxes Are Quick And Easy To Assemble And Do Not Require Staples Or Glue. Delivered Flat Packed
  • Best Value Packaging Boxes For Small Business, Cardboard Shipping Boxes, Postal Boxes, A5 Postal Boxes, Letter Box Boxes For Posting, Wax Melt Packaging Boxes, Flat Boxes For Gifts, Boxes For Shipping
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3
C6 A6 Postal Pip Boxes - Large Letter & Small Gift Boxes, Flat Pack - Size 16.3cm x 11.2cm x 2cm - Pack of 50 (Pink)
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C6 A6 Postal Pip Boxes - Large Letter & Small Gift Boxes, Flat Pack - Size 16.3cm x 11.2cm x 2cm - Pack of 50 (Pink)

iDEALS UK PACKAGING LTD
Why we love it
  • Vibrant, eye-catching colours included.
  • Compact for easy mailing.
  • Strong, durable cardboard material.
Main Highlights
  • Variety of Colours: This set includes five colourful postal boxes in pink, red, blue, purple, and black - perfect for organising and storing items.
  • Compact Size: Measuring C6/A6, 163x112x20mm internally. These boxes are ideal for posting small gifts, documents, or lightweight items through the letterbox.
  • Flat-Pack Design: The boxes arrive flat-packed, allowing for convenient storage until needed.
  • Sturdy Construction: Crafted from durable cardboard, these boxes offer reliable protection for your contents during transit.
  • Versatile Usage: While designed for postal purposes, these boxes can also be repurposed for various organisational needs around the home or office.
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9.4
Superb
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9.4
Superb
iDEALS UK PACKAGING LTD

C6 A6 Postal Pip Boxes - Large Letter & Small Gift Boxes, Flat Pack - Size 16.3cm x 11.2cm x 2cm - Pack of 50 (Pink)

Why we love it
  • Vibrant, eye-catching colours included.
  • Compact for easy mailing.
  • Strong, durable cardboard material.
Main Highlights
  • Variety of Colours: This set includes five colourful postal boxes in pink, red, blue, purple, and black - perfect for organising and storing items.
  • Compact Size: Measuring C6/A6, 163x112x20mm internally. These boxes are ideal for posting small gifts, documents, or lightweight items through the letterbox.
  • Flat-Pack Design: The boxes arrive flat-packed, allowing for convenient storage until needed.
  • Sturdy Construction: Crafted from durable cardboard, these boxes offer reliable protection for your contents during transit.
  • Versatile Usage: While designed for postal purposes, these boxes can also be repurposed for various organisational needs around the home or office.
Show More
4
Triplast C6 160 x 110 x 20 mm White PIP Cardboard Large Letter Postal Box for Royal Mail (Pack of 50)

Triplast C6 160 x 110 x 20 mm White PIP Cardboard Large Letter Postal Box for Royal Mail (Pack of 50)

Triplast
Why we love it
  • Easy to assemble design.
  • Fits Royal Mail specifications.
  • Compact and lightweight dimensions.
Main Highlights
  • Easy to assemble FEFCO 0427 box style with fold-over ends and secure ear lock lids
  • Meets Royal Mail's 'Large Letter' size classification for reduced postage costs
  • Internal dimensions (usable size): 160x110x20mm & external dimensions (shipping size): 166x114x22mm.
  • Strong 125 WK/T single wall cardboard for reliable protection
  • Ideal for phones, accessories, and small items
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9.3
Superb
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9.3
Superb
Triplast

Triplast C6 160 x 110 x 20 mm White PIP Cardboard Large Letter Postal Box for Royal Mail (Pack of 50)

Why we love it
  • Easy to assemble design.
  • Fits Royal Mail specifications.
  • Compact and lightweight dimensions.
Main Highlights
  • Easy to assemble FEFCO 0427 box style with fold-over ends and secure ear lock lids
  • Meets Royal Mail's 'Large Letter' size classification for reduced postage costs
  • Internal dimensions (usable size): 160x110x20mm & external dimensions (shipping size): 166x114x22mm.
  • Strong 125 WK/T single wall cardboard for reliable protection
  • Ideal for phones, accessories, and small items
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5
AKAR Corrugated Manila Large Letter Postal Box C5 A5 PIP Boxes Royal Mail
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AKAR Corrugated Manila Large Letter Postal Box C5 A5 PIP Boxes Royal Mail

AKAR
Why we love it
  • Eco-friendly and cost-saving.
  • Quick and easy assembly.
  • Flat-packed and lightweight.
Main Highlights
  • LARGE LETTER PIP POSTAL BOXES : Cardboard large letter postal boxes designed for shipping. Suitable for sending fragile items when used with proper packaging. Made from durable single-wall corrugated cardboard. Manufactured in the UK and 100% recyclable. Dimensions: 218 x 159 x 20mm.
  • HIGH QUALITY LARGE LETTER BOXES : The C5 Size shipping box is made of recyclable corrugated cardboard, which is lightweight but sturdy, ensuring your stuff safety. you can use the boxes as gift boxes, just need some ribbons to make the decorated package more unique. The box has a locking tab at the front allowing it to secure the box. These are commonly used for small products or gifts , stationery, retail and e-commerce, and cards.
  • ALL PURPOSE CARDBOARD SHIPPING MAILING POSTAL PIP BOXES : Cardboard boxes cartons C5 large letter pip boxes are an easy way for Mailing , Postage , PIP , Large Letter , Parcel , Shipping , Posting , Delivery , Mail for home , office , workplace , business and commercial with our all-purpose flatpack cardboard postal box.
  • PROTECTIVE PACKING MATERIAL QUICK ASSEMBLE : Keep your items safe with our strong heavy duty flat pack cardboard postage boxes also known as large letter parcel postal boxes . Stackable , Easy to fold , Easy to assemble, Easy to carry and effective. No tape, glue, staples needed, can be folded in seconds.
  • HEAVY-DUTY POSTAL BOXES FOR SHIPPING : All our brown cardboard postal boxes C5 are supplied flat packed for transit and delivery and can be used without tape. Suitable for gift packaging, e-commerce shipping, or storage purposes. Our shipping boxes offer amazing strength and durability. They provide more protection than standard mailers, ensuring the contents stay secure during transit.
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9.2
Superb
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9.2
Superb
AKAR

AKAR Corrugated Manila Large Letter Postal Box C5 A5 PIP Boxes Royal Mail

Why we love it
  • Eco-friendly and cost-saving.
  • Quick and easy assembly.
  • Flat-packed and lightweight.
Main Highlights
  • LARGE LETTER PIP POSTAL BOXES : Cardboard large letter postal boxes designed for shipping. Suitable for sending fragile items when used with proper packaging. Made from durable single-wall corrugated cardboard. Manufactured in the UK and 100% recyclable. Dimensions: 218 x 159 x 20mm.
  • HIGH QUALITY LARGE LETTER BOXES : The C5 Size shipping box is made of recyclable corrugated cardboard, which is lightweight but sturdy, ensuring your stuff safety. you can use the boxes as gift boxes, just need some ribbons to make the decorated package more unique. The box has a locking tab at the front allowing it to secure the box. These are commonly used for small products or gifts , stationery, retail and e-commerce, and cards.
  • ALL PURPOSE CARDBOARD SHIPPING MAILING POSTAL PIP BOXES : Cardboard boxes cartons C5 large letter pip boxes are an easy way for Mailing , Postage , PIP , Large Letter , Parcel , Shipping , Posting , Delivery , Mail for home , office , workplace , business and commercial with our all-purpose flatpack cardboard postal box.
  • PROTECTIVE PACKING MATERIAL QUICK ASSEMBLE : Keep your items safe with our strong heavy duty flat pack cardboard postage boxes also known as large letter parcel postal boxes . Stackable , Easy to fold , Easy to assemble, Easy to carry and effective. No tape, glue, staples needed, can be folded in seconds.
  • HEAVY-DUTY POSTAL BOXES FOR SHIPPING : All our brown cardboard postal boxes C5 are supplied flat packed for transit and delivery and can be used without tape. Suitable for gift packaging, e-commerce shipping, or storage purposes. Our shipping boxes offer amazing strength and durability. They provide more protection than standard mailers, ensuring the contents stay secure during transit.
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6
C5 A5 Royal Mail Large Letter PIP Boxes, 220x160x20mm Corrugated Cardboard Shipping Boxes, Brown Small Postal Packaging Mailing Boxes for Business, Posting, Storing or Gift (Pack of 10)
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C5 A5 Royal Mail Large Letter PIP Boxes, 220x160x20mm Corrugated Cardboard Shipping Boxes, Brown Small Postal Packaging Mailing Boxes for Business, Posting, Storing or Gift (Pack of 10)

STRBOXONG
Why we love it
  • Perfect for small gifts.
  • Eco-friendly and sturdy design.
  • Easy to assemble and store.
Main Highlights
  • Pack, Ship, Mail, or Store small items in these cartons, they make the perfect box for those little products or gifts that need to be sent out or stored until ready to use
  • Made from strong 32ECT-E single wall corrugated kraft cardboard which is Eco-friendly, recyclable and sturdy for daily use
  • Outer size: 23cm x 16.3cm x 2.2cm, inner size when made up: 22cm x 16cm x 2cm. Qualifies for Royal Mail Large Letter postage if under 750g
  • Package ships flat packed for easy storage, and are easy to assemble in seconds – no tapes, glue or staplers are needed
  • 100% SATISFACTION: Please contact us via e-mail for any case, we guarantee our customers 100% money back in 90 days.
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9.1
Superb
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9.1
Superb
STRBOXONG

C5 A5 Royal Mail Large Letter PIP Boxes, 220x160x20mm Corrugated Cardboard Shipping Boxes, Brown Small Postal Packaging Mailing Boxes for Business, Posting, Storing or Gift (Pack of 10)

Why we love it
  • Perfect for small gifts.
  • Eco-friendly and sturdy design.
  • Easy to assemble and store.
Main Highlights
  • Pack, Ship, Mail, or Store small items in these cartons, they make the perfect box for those little products or gifts that need to be sent out or stored until ready to use
  • Made from strong 32ECT-E single wall corrugated kraft cardboard which is Eco-friendly, recyclable and sturdy for daily use
  • Outer size: 23cm x 16.3cm x 2.2cm, inner size when made up: 22cm x 16cm x 2cm. Qualifies for Royal Mail Large Letter postage if under 750g
  • Package ships flat packed for easy storage, and are easy to assemble in seconds – no tapes, glue or staplers are needed
  • 100% SATISFACTION: Please contact us via e-mail for any case, we guarantee our customers 100% money back in 90 days.
Show More
7
MEG4TEC 50 x BROWN CARDBOARD BOX SQUARE, SIZE: 10cm x 10cm x 2cm. SHIPPING MAILING PIP LARGE LETTER
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MEG4TEC 50 x BROWN CARDBOARD BOX SQUARE, SIZE: 10cm x 10cm x 2cm. SHIPPING MAILING PIP LARGE LETTER

Protecker
Why we love it
  • Compact and lightweight design.
  • Strong and durable material.
  • Perfect for secure shipping.
Main Highlights
  • 50 x BROWN CARDBOARD BOX SQUARE, SIZE: 10cm x 10cm x 2cm. SHIPPING MAILING PIP LARGE LETTER
  • EXTERNAL SIZE: 11.5cm x 10.5cm x 2.2cm (4.5" x 4" x 0.8")
  • INTERNAL SIZE: 10cm x 10cm x 2cm WEIGHT: 22g
  • MADE FROM A STRONG 1mm THICK SINGLE WALL CARDBOARD
  • SECURELY WRAPPED
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9.0
Superb
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9.0
Superb
Protecker

MEG4TEC 50 x BROWN CARDBOARD BOX SQUARE, SIZE: 10cm x 10cm x 2cm. SHIPPING MAILING PIP LARGE LETTER

Why we love it
  • Compact and lightweight design.
  • Strong and durable material.
  • Perfect for secure shipping.
Main Highlights
  • 50 x BROWN CARDBOARD BOX SQUARE, SIZE: 10cm x 10cm x 2cm. SHIPPING MAILING PIP LARGE LETTER
  • EXTERNAL SIZE: 11.5cm x 10.5cm x 2.2cm (4.5" x 4" x 0.8")
  • INTERNAL SIZE: 10cm x 10cm x 2cm WEIGHT: 22g
  • MADE FROM A STRONG 1mm THICK SINGLE WALL CARDBOARD
  • SECURELY WRAPPED
Show More
8
AKAR C5 A5 Postal Boxes | Royal Mail Post Box Pack | 100 Cardboard Boxes | 218x159x20mm Brown Large Letter Pip Box
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AKAR C5 A5 Postal Boxes | Royal Mail Post Box Pack | 100 Cardboard Boxes | 218x159x20mm Brown Large Letter Pip Box

AKAR
Why we love it
  • Durable and recyclable design.
  • Easy to assemble and secure.
  • Perfect for gifts and shipping.
Main Highlights
  • LARGE LETTER PIP POSTAL BOXES : Cardboard large letter postal boxes designed for shipping. Suitable for sending fragile items when used with proper packaging. Made from durable single-wall corrugated cardboard. Manufactured in the UK and 100% recyclable. Dimensions: 218 x 159 x 20mm.
  • HIGH QUALITY LARGE LETTER BOXES : The C5 Size shipping box is made of recyclable corrugated cardboard, which is lightweight but sturdy, ensuring your stuff safety. you can use the boxes as gift boxes, just need some ribbons to make the decorated package more unique. The box has a locking tab at the front allowing it to secure the box. These are commonly used for small products or gifts , stationery, retail and e-commerce, and cards.
  • ALL PURPOSE CARDBOARD SHIPPING MAILING POSTAL PIP BOXES : Cardboard boxes cartons C5 large letter pip boxes are an easy way for Mailing , Postage , PIP , Large Letter , Parcel , Shipping , Posting , Delivery , Mail for home , office , workplace , business and commercial with our all-purpose flatpack cardboard postal box.
  • PROTECTIVE PACKING MATERIAL QUICK ASSEMBLE : Keep your items safe with our strong heavy duty flat pack cardboard postage boxes also known as large letter parcel postal boxes . Stackable , Easy to fold , Easy to assemble, Easy to carry and effective. No tape, glue, staples needed, can be folded in seconds.
  • HEAVY-DUTY POSTAL BOXES FOR SHIPPING : All our brown cardboard postal boxes C5 are supplied flat packed for transit and delivery and can be used without tape. Suitable for gift packaging, e-commerce shipping, or storage purposes. Our shipping boxes offer amazing strength and durability. They provide more protection than standard mailers, ensuring the contents stay secure during transit.
Show More
8.9
Excellent
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8.9
Excellent
AKAR

AKAR C5 A5 Postal Boxes | Royal Mail Post Box Pack | 100 Cardboard Boxes | 218x159x20mm Brown Large Letter Pip Box

Why we love it
  • Durable and recyclable design.
  • Easy to assemble and secure.
  • Perfect for gifts and shipping.
Main Highlights
  • LARGE LETTER PIP POSTAL BOXES : Cardboard large letter postal boxes designed for shipping. Suitable for sending fragile items when used with proper packaging. Made from durable single-wall corrugated cardboard. Manufactured in the UK and 100% recyclable. Dimensions: 218 x 159 x 20mm.
  • HIGH QUALITY LARGE LETTER BOXES : The C5 Size shipping box is made of recyclable corrugated cardboard, which is lightweight but sturdy, ensuring your stuff safety. you can use the boxes as gift boxes, just need some ribbons to make the decorated package more unique. The box has a locking tab at the front allowing it to secure the box. These are commonly used for small products or gifts , stationery, retail and e-commerce, and cards.
  • ALL PURPOSE CARDBOARD SHIPPING MAILING POSTAL PIP BOXES : Cardboard boxes cartons C5 large letter pip boxes are an easy way for Mailing , Postage , PIP , Large Letter , Parcel , Shipping , Posting , Delivery , Mail for home , office , workplace , business and commercial with our all-purpose flatpack cardboard postal box.
  • PROTECTIVE PACKING MATERIAL QUICK ASSEMBLE : Keep your items safe with our strong heavy duty flat pack cardboard postage boxes also known as large letter parcel postal boxes . Stackable , Easy to fold , Easy to assemble, Easy to carry and effective. No tape, glue, staples needed, can be folded in seconds.
  • HEAVY-DUTY POSTAL BOXES FOR SHIPPING : All our brown cardboard postal boxes C5 are supplied flat packed for transit and delivery and can be used without tape. Suitable for gift packaging, e-commerce shipping, or storage purposes. Our shipping boxes offer amazing strength and durability. They provide more protection than standard mailers, ensuring the contents stay secure during transit.
Show More
9
MEG4TEC 20 Pack White Cardboard Shipping Boxes C5 A5 PIP Large Letter Postal Mailing Box - Internal Size: 22.5cm x 16cm x 2cm
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MEG4TEC 20 Pack White Cardboard Shipping Boxes C5 A5 PIP Large Letter Postal Mailing Box - Internal Size: 22.5cm x 16cm x 2cm

MEG4TEC
11% Off
Why we love it
  • Sturdy protection for contents.
  • Environmentally friendly and recyclable.
  • Convenient large letter sizing.
Main Highlights
  • Pack of 20 White C5/A5 Pricing in Proportion (PIP) Brown Cardboard Postal Boxes
  • Internal Size: 22.5cm x 16cm x 2cm, Weight: 34g
  • External Size - 9" x 6.5" x 0.8
  • Large Letter Qualifying
  • Fully Recyclable Packaging
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8.7
Excellent
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8.7
Excellent
MEG4TEC

MEG4TEC 20 Pack White Cardboard Shipping Boxes C5 A5 PIP Large Letter Postal Mailing Box - Internal Size: 22.5cm x 16cm x 2cm

11% Off
Why we love it
  • Sturdy protection for contents.
  • Environmentally friendly and recyclable.
  • Convenient large letter sizing.
Main Highlights
  • Pack of 20 White C5/A5 Pricing in Proportion (PIP) Brown Cardboard Postal Boxes
  • Internal Size: 22.5cm x 16cm x 2cm, Weight: 34g
  • External Size - 9" x 6.5" x 0.8
  • Large Letter Qualifying
  • Fully Recyclable Packaging
Show More
10
AKAR White A6/C6 Large Letter Postal Box - 112x163x20 mm - Letterbox Pip Royal Mail Small Boxes for Posting [Pack of 50]
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AKAR White A6/C6 Large Letter Postal Box - 112x163x20 mm - Letterbox Pip Royal Mail Small Boxes for Posting [Pack of 50]

AKAR
Why we love it
  • Saves on postage costs.
  • Quick to assemble.
  • Lightweight and space-saving.
Main Highlights
  • LARGE LETTER PIP POSTAL BOXES : Cardboard large letter postal boxes designed for shipping. Suitable for sending fragile items when used with proper packaging. Made from durable single-wall corrugated cardboard. Manufactured in the UK and 100% recyclable. Dimensions: 112x163x20mm.
  • HIGH QUALITY LARGE LETTER BOXES : The C6 size shipping box is made of recyclable corrugated cardboard, which is lightweight but sturdy, ensuring your stuff safety. you can use the boxes as gift boxes, just need some ribbons to make the decorated package more unique. The box has a locking tab at the front allowing it to secure the box. These are commonly used for small products or gifts , stationery, retail and e-commerce, and cards.
  • ALL PURPOSE CARDBOARD SHIPPING MAILING POSTAL PIP BOXES : Cardboard boxes cartons C6 large letter pip boxes are an easy way for Mailing , Postage , PIP , Large Letter , Parcel , Shipping , Posting , Delivery , Mail for home , office , workplace , business and commercial with our all-purpose flatpack cardboard postal box.
  • PROTECTIVE PACKING MATERIAL QUICK ASSEMBLE : Keep your items safe with our strong heavy duty flat pack cardboard postage boxes also known as large letter parcel postal boxes . Stackable , Easy to fold , Easy to assemble, Easy to carry and effective. No tape, glue, staples needed, can be folded in seconds.
  • HEAVY-DUTY POSTAL BOXES FOR SHIPPING : All our White cardboard postal boxes C6 are supplied flat packed for transit and delivery and can be used without tape. Suitable for gift packaging, e-commerce shipping, or storage purposes. Our shipping boxes offer amazing strength and durability. They provide more protection than standard mailers, ensuring the contents stay secure during transit.
Show More
8.7
Excellent
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8.7
Excellent
AKAR

AKAR White A6/C6 Large Letter Postal Box - 112x163x20 mm - Letterbox Pip Royal Mail Small Boxes for Posting [Pack of 50]

Why we love it
  • Saves on postage costs.
  • Quick to assemble.
  • Lightweight and space-saving.
Main Highlights
  • LARGE LETTER PIP POSTAL BOXES : Cardboard large letter postal boxes designed for shipping. Suitable for sending fragile items when used with proper packaging. Made from durable single-wall corrugated cardboard. Manufactured in the UK and 100% recyclable. Dimensions: 112x163x20mm.
  • HIGH QUALITY LARGE LETTER BOXES : The C6 size shipping box is made of recyclable corrugated cardboard, which is lightweight but sturdy, ensuring your stuff safety. you can use the boxes as gift boxes, just need some ribbons to make the decorated package more unique. The box has a locking tab at the front allowing it to secure the box. These are commonly used for small products or gifts , stationery, retail and e-commerce, and cards.
  • ALL PURPOSE CARDBOARD SHIPPING MAILING POSTAL PIP BOXES : Cardboard boxes cartons C6 large letter pip boxes are an easy way for Mailing , Postage , PIP , Large Letter , Parcel , Shipping , Posting , Delivery , Mail for home , office , workplace , business and commercial with our all-purpose flatpack cardboard postal box.
  • PROTECTIVE PACKING MATERIAL QUICK ASSEMBLE : Keep your items safe with our strong heavy duty flat pack cardboard postage boxes also known as large letter parcel postal boxes . Stackable , Easy to fold , Easy to assemble, Easy to carry and effective. No tape, glue, staples needed, can be folded in seconds.
  • HEAVY-DUTY POSTAL BOXES FOR SHIPPING : All our White cardboard postal boxes C6 are supplied flat packed for transit and delivery and can be used without tape. Suitable for gift packaging, e-commerce shipping, or storage purposes. Our shipping boxes offer amazing strength and durability. They provide more protection than standard mailers, ensuring the contents stay secure during transit.
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We scanned 1768 products

We reviewed these offers relevant to the Small Postage Boxes Large Letter within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like MEG4TEC, iDEALS UK PACKAGING LTD, Triplast, AKAR, STRBOXONG, Protecker, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.
For the best Small Postage Boxes Large Letter in the market, we considered we took a deep dive into 8841 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that: