Best C6 White Envelopes of 2026

Last updated on 04/04/2026
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Most Relevant
Most Relevant
Best Choice
1
Blake Purely Everyday C6 114 x 162 mm 90 gsm Self Seal Wallet Envelopes (2602) White - Pack of 1000

Blake Purely Everyday C6 114 x 162 mm 90 gsm Self Seal Wallet Envelopes (2602) White - Pack of 1000

Blake
Why we love it
  • Easy self-seal closure.
  • High quality paper.
  • Ideal for business correspondence.
Main Highlights
  • Easy to use, self seal closure
  • High quality 90 gsm paper
  • Perfect for business correspondence, letters, brochures and more
  • Model number: 2602
Show More
9.7
Exceptional
9.7
Exceptional
Blake

Blake Purely Everyday C6 114 x 162 mm 90 gsm Self Seal Wallet Envelopes (2602) White - Pack of 1000

Why we love it
  • Easy self-seal closure.
  • High quality paper.
  • Ideal for business correspondence.
Main Highlights
  • Easy to use, self seal closure
  • High quality 90 gsm paper
  • Perfect for business correspondence, letters, brochures and more
  • Model number: 2602
Show More
Value for Money
2
Triplast 250 x C6 White Self Seal Security Envelopes (Size: 114x162mm) | Fully Opaque, Self Sealing & Printer Safe Mailing Paper Envelopes | Ideal for Everyday Home, Office & Commercial Use

Triplast 250 x C6 White Self Seal Security Envelopes (Size: 114x162mm) | Fully Opaque, Self Sealing & Printer Safe Mailing Paper Envelopes | Ideal for Everyday Home, Office & Commercial Use

Triplast
Why we love it
  • Enhanced security for confidential documents.
  • Hassle-free self-seal functionality.
  • Eco-friendly and sustainably sourced.
Main Highlights
  • CONTENTS: Pack of 250 White Plain Mailing Envelopes | SIZE: C6 | LENGTH: 114 mm / 4.49 in | WIDTH: 162mm / 6.38 in | THICKNESS: 90 gsm | MADE in the UK
  • ENHANCED SECURITY: These envelopes feature a blue high security pattern on the inside that scrambles text to ensure contents remain concealed when in-transit or storage. Send confidential documents with total confidence & peace of mind!
  • HASSLE-FREE & PRACTICAL: The self-seal adhesive eliminates the need for any tape, glue or licking to seal these envelopes - just fold & press the top flap to secure shut! These envelopes are also compatible with most inkjet and laser printers.
  • MULTIPURPOSE: These envelopes are ideal for mailing & organising invoices, letters, statements, catalogues, periodicals, brochures, etc. They are a cost-effective option for everyday home, office & commercial use!
  • RECYCLABLE & PEFC CERTIFIED: Apart from being fully recyclable, these envelopes are made from paper sourced in a natural & controlled manner from SUSTAINABLY MANAGED FORESTS that also PROTECT THE RIGHTS OF WORKERS along the production process.
Show More
9.6
Superb
9.6
Superb
Triplast

Triplast 250 x C6 White Self Seal Security Envelopes (Size: 114x162mm) | Fully Opaque, Self Sealing & Printer Safe Mailing Paper Envelopes | Ideal for Everyday Home, Office & Commercial Use

Why we love it
  • Enhanced security for confidential documents.
  • Hassle-free self-seal functionality.
  • Eco-friendly and sustainably sourced.
Main Highlights
  • CONTENTS: Pack of 250 White Plain Mailing Envelopes | SIZE: C6 | LENGTH: 114 mm / 4.49 in | WIDTH: 162mm / 6.38 in | THICKNESS: 90 gsm | MADE in the UK
  • ENHANCED SECURITY: These envelopes feature a blue high security pattern on the inside that scrambles text to ensure contents remain concealed when in-transit or storage. Send confidential documents with total confidence & peace of mind!
  • HASSLE-FREE & PRACTICAL: The self-seal adhesive eliminates the need for any tape, glue or licking to seal these envelopes - just fold & press the top flap to secure shut! These envelopes are also compatible with most inkjet and laser printers.
  • MULTIPURPOSE: These envelopes are ideal for mailing & organising invoices, letters, statements, catalogues, periodicals, brochures, etc. They are a cost-effective option for everyday home, office & commercial use!
  • RECYCLABLE & PEFC CERTIFIED: Apart from being fully recyclable, these envelopes are made from paper sourced in a natural & controlled manner from SUSTAINABLY MANAGED FORESTS that also PROTECT THE RIGHTS OF WORKERS along the production process.
Show More
3
100 x ARK C6 Premium White Greetings Card Envelope 100gsm 114mm x 162mm

100 x ARK C6 Premium White Greetings Card Envelope 100gsm 114mm x 162mm

ARK
Why we love it
  • Premium Quality 100gsm Material.
  • Perfect For Greeting Cards.
  • Multiple Size Options Available.
Main Highlights
  • 100gsm Gummed Diamond Flap Greetings Card Envelope / Wedding Envelopes
  • Premium Quality 100gsm - perfect for greeting cards.
  • Please note that whilst the image is a scan of the envelope, it is only a representation of the envelopes as it is impossible to truly capture the colour and texture of the envelopes online
  • Available in C5, C6 and 5x7
Show More
9.5
Superb
9.5
Superb
ARK

100 x ARK C6 Premium White Greetings Card Envelope 100gsm 114mm x 162mm

Why we love it
  • Premium Quality 100gsm Material.
  • Perfect For Greeting Cards.
  • Multiple Size Options Available.
Main Highlights
  • 100gsm Gummed Diamond Flap Greetings Card Envelope / Wedding Envelopes
  • Premium Quality 100gsm - perfect for greeting cards.
  • Please note that whilst the image is a scan of the envelope, it is only a representation of the envelopes as it is impossible to truly capture the colour and texture of the envelopes online
  • Available in C5, C6 and 5x7
Show More
4
Craft 2340- 200 C6 White Envelopes

Craft 2340- 200 C6 White Envelopes

Craft UK Limited
14% Off
Why we love it
  • Perfect for various uses.
  • High-quality 100 gsm paper.
  • Great value pack of 200.
Main Highlights
  • Ideal for schools
  • Business envelopes
  • All types of card making
  • C6 200 white envelopes
  • 100 gsm
Show More
9.4
Superb
9.4
Superb
Craft UK Limited

Craft 2340- 200 C6 White Envelopes

14% Off
Why we love it
  • Perfect for various uses.
  • High-quality 100 gsm paper.
  • Great value pack of 200.
Main Highlights
  • Ideal for schools
  • Business envelopes
  • All types of card making
  • C6 200 white envelopes
  • 100 gsm
Show More
5
House of Card & Paper C6 Envelope - White Pack of 100, HCP94

House of Card & Paper C6 Envelope - White Pack of 100, HCP94

House of Card & Paper
13% Off
Why we love it
  • Perfect for greeting cards.
  • Made in the UK.
  • High-quality white envelopes.
Main Highlights
  • White Envelopes
  • C6 Size
  • Suitable for use with home made greeting cards
  • made in the UK
Show More
9.3
Superb
9.3
Superb
House of Card & Paper

House of Card & Paper C6 Envelope - White Pack of 100, HCP94

13% Off
Why we love it
  • Perfect for greeting cards.
  • Made in the UK.
  • High-quality white envelopes.
Main Highlights
  • White Envelopes
  • C6 Size
  • Suitable for use with home made greeting cards
  • made in the UK
Show More
6
Triplast 100 x C6 White Self Seal Security Envelopes (Size: 114x162mm) | Fully Opaque, Self Sealing & Printer Safe Mailing Paper Envelopes | Ideal for Everyday Home, Office & Commercial Use

Triplast 100 x C6 White Self Seal Security Envelopes (Size: 114x162mm) | Fully Opaque, Self Sealing & Printer Safe Mailing Paper Envelopes | Ideal for Everyday Home, Office & Commercial Use

Triplast
Why we love it
  • Enhanced high security pattern.
  • Self-seal adhesive convenience.
  • Eco-friendly and recyclable.
Main Highlights
  • CONTENTS: Pack of 100 White Plain Mailing Envelopes | SIZE: C6 | LENGTH: 114 mm / 4.49 in | WIDTH: 162mm / 6.38 in | THICKNESS: 90 gsm | MADE in the UK
  • ENHANCED SECURITY: These envelopes feature a blue high security pattern on the inside that scrambles text to ensure contents remain concealed when in-transit or storage. Send confidential documents with total confidence & peace of mind!
  • HASSLE-FREE & PRACTICAL: The self-seal adhesive eliminates the need for any tape, glue or licking to seal these envelopes - just fold & press the top flap to secure shut! These envelopes are also compatible with most inkjet and laser printers.
  • MULTIPURPOSE: These envelopes are ideal for mailing & organising invoices, letters, statements, catalogues, periodicals, brochures, etc. They are a cost-effective option for everyday home, office & commercial use!
  • RECYCLABLE & PEFC CERTIFIED: Apart from being fully recyclable, these envelopes are made from paper sourced in a natural & controlled manner from SUSTAINABLY MANAGED FORESTS that also PROTECT THE RIGHTS OF WORKERS along the production process.
Show More
9.3
Superb
9.3
Superb
Triplast

Triplast 100 x C6 White Self Seal Security Envelopes (Size: 114x162mm) | Fully Opaque, Self Sealing & Printer Safe Mailing Paper Envelopes | Ideal for Everyday Home, Office & Commercial Use

Why we love it
  • Enhanced high security pattern.
  • Self-seal adhesive convenience.
  • Eco-friendly and recyclable.
Main Highlights
  • CONTENTS: Pack of 100 White Plain Mailing Envelopes | SIZE: C6 | LENGTH: 114 mm / 4.49 in | WIDTH: 162mm / 6.38 in | THICKNESS: 90 gsm | MADE in the UK
  • ENHANCED SECURITY: These envelopes feature a blue high security pattern on the inside that scrambles text to ensure contents remain concealed when in-transit or storage. Send confidential documents with total confidence & peace of mind!
  • HASSLE-FREE & PRACTICAL: The self-seal adhesive eliminates the need for any tape, glue or licking to seal these envelopes - just fold & press the top flap to secure shut! These envelopes are also compatible with most inkjet and laser printers.
  • MULTIPURPOSE: These envelopes are ideal for mailing & organising invoices, letters, statements, catalogues, periodicals, brochures, etc. They are a cost-effective option for everyday home, office & commercial use!
  • RECYCLABLE & PEFC CERTIFIED: Apart from being fully recyclable, these envelopes are made from paper sourced in a natural & controlled manner from SUSTAINABLY MANAGED FORESTS that also PROTECT THE RIGHTS OF WORKERS along the production process.
Show More
7
50 C6 White Self-Adhesive A6 Peel and Seal Mailing Envelopes - Office, Home, E-Commerce and Admin Usage, 11.4cm x 16.2cm (50 Envelopes)

50 C6 White Self-Adhesive A6 Peel and Seal Mailing Envelopes - Office, Home, E-Commerce and Admin Usage, 11.4cm x 16.2cm (50 Envelopes)

Navoys
Why we love it
  • Quick and easy to seal.
  • Perfect for various documents.
  • Durable for secure delivery.
Main Highlights
  • The peel-and-seal design of these envelopes allows for quick and secure sealing. Simply peel off the protective strip and press down for a strong, tamper-proof seal—no need for messy glue or tape!
  • The C6 size is brilliant for A6 documents, making these envelopes ideal for a variety of uses, including invitations, postcards, flyers, and marketing materials. They’re a great choice for both personal and professional correspondence
  • Made from durable paper to protect your documents in transit, ensuring they arrive in excellent condition
  • With a clean, classic design, our C6 envelopes offer a professional look that’s fantastic for business communications. The smooth surface is easy to print on, allowing you to customise them for branding purposes
  • In each package, you will receive 50 C6 peel and seal envelopes. Each envelope measures approximately 114mm x 162mm in size
Show More
9.1
Superb
9.1
Superb
Navoys

50 C6 White Self-Adhesive A6 Peel and Seal Mailing Envelopes - Office, Home, E-Commerce and Admin Usage, 11.4cm x 16.2cm (50 Envelopes)

Why we love it
  • Quick and easy to seal.
  • Perfect for various documents.
  • Durable for secure delivery.
Main Highlights
  • The peel-and-seal design of these envelopes allows for quick and secure sealing. Simply peel off the protective strip and press down for a strong, tamper-proof seal—no need for messy glue or tape!
  • The C6 size is brilliant for A6 documents, making these envelopes ideal for a variety of uses, including invitations, postcards, flyers, and marketing materials. They’re a great choice for both personal and professional correspondence
  • Made from durable paper to protect your documents in transit, ensuring they arrive in excellent condition
  • With a clean, classic design, our C6 envelopes offer a professional look that’s fantastic for business communications. The smooth surface is easy to print on, allowing you to customise them for branding purposes
  • In each package, you will receive 50 C6 peel and seal envelopes. Each envelope measures approximately 114mm x 162mm in size
Show More
8
PACK OF 100 - C6 WHITE ENVELOPES FOR A6 GREETING CARDS 100gsm 114mm x 162mm

PACK OF 100 - C6 WHITE ENVELOPES FOR A6 GREETING CARDS 100gsm 114mm x 162mm

POLYBAGSTORES
Why we love it
  • High-quality 100gsm paper.
  • Perfect for A6 cards.
  • Clean and professional look.
Main Highlights
  • PACK OF 100 C6 WHITE ENVELOPES FOR A6 GREETING CARDS 100gsm 114mm x 162mm
  • Brand : Be Creative
  • Product type: ENVELOPE
  • White
  • card
Show More
8.9
Excellent
8.9
Excellent
POLYBAGSTORES

PACK OF 100 - C6 WHITE ENVELOPES FOR A6 GREETING CARDS 100gsm 114mm x 162mm

Why we love it
  • High-quality 100gsm paper.
  • Perfect for A6 cards.
  • Clean and professional look.
Main Highlights
  • PACK OF 100 C6 WHITE ENVELOPES FOR A6 GREETING CARDS 100gsm 114mm x 162mm
  • Brand : Be Creative
  • Product type: ENVELOPE
  • White
  • card
Show More
9
EPOSGEAR® A6/C6 Plain White Self Seal Wallet Envelopes 162mm x 114mm 90gsm (Pack of 50 Envelopes)

EPOSGEAR® A6/C6 Plain White Self Seal Wallet Envelopes 162mm x 114mm 90gsm (Pack of 50 Envelopes)

EPOSGEAR
Why we love it
  • High quality and durable.
  • Self-seal for security.
  • Versatile use for documents.
Main Highlights
  • Brand new high quality A6 envelopes
  • Self Seal function on the envelopes provides secure closure.
  • Ideal for sending letters, postcards, invites, photos and other small documents.
  • Suitable for business or home use.
  • Dimensions: Width - 162mm, Height - 114mm
Show More
8.7
Excellent
8.7
Excellent
EPOSGEAR

EPOSGEAR® A6/C6 Plain White Self Seal Wallet Envelopes 162mm x 114mm 90gsm (Pack of 50 Envelopes)

Why we love it
  • High quality and durable.
  • Self-seal for security.
  • Versatile use for documents.
Main Highlights
  • Brand new high quality A6 envelopes
  • Self Seal function on the envelopes provides secure closure.
  • Ideal for sending letters, postcards, invites, photos and other small documents.
  • Suitable for business or home use.
  • Dimensions: Width - 162mm, Height - 114mm
Show More
10
Karma Krafts C6 White Envelopes – 114 × 162mm 100gsm Gummed Envelopes for Cards & Invitations, Pack of 10

Karma Krafts C6 White Envelopes – 114 × 162mm 100gsm Gummed Envelopes for Cards & Invitations, Pack of 10

Karma Krafts
Main Highlights
  • C6 CARD ENVELOPES Envelopes measuring 114 × 162mm, ideal for C6 greeting cards, invitations, letters and announcements.
  • 100GSM GUMMED PAPER Made from 100gsm white paper with a strong gummed diamond flap for secure sealing, suitable for mailing and presentation.
  • CARD COMPATIBILITY Designed to fit A6 cards (105 × 148mm), allowing comfortable clearance for easy insertion.
  • CLEAN WHITE FINISH Classic white finish suitable for weddings, birthdays, business use, events, thank you cards and everyday stationery.
  • PACK OF 10 Supplied as a pack of 10 envelopes, ideal for small businesses, events and home stationery.
  • COLOUR NOTICE Please note that colours may appear differently on various screens. Our efforts have been directed towards representing the product's natural color as accurately as possible.
Show More
8.7
Excellent
8.7
Excellent
Karma Krafts

Karma Krafts C6 White Envelopes – 114 × 162mm 100gsm Gummed Envelopes for Cards & Invitations, Pack of 10

Main Highlights
  • C6 CARD ENVELOPES Envelopes measuring 114 × 162mm, ideal for C6 greeting cards, invitations, letters and announcements.
  • 100GSM GUMMED PAPER Made from 100gsm white paper with a strong gummed diamond flap for secure sealing, suitable for mailing and presentation.
  • CARD COMPATIBILITY Designed to fit A6 cards (105 × 148mm), allowing comfortable clearance for easy insertion.
  • CLEAN WHITE FINISH Classic white finish suitable for weddings, birthdays, business use, events, thank you cards and everyday stationery.
  • PACK OF 10 Supplied as a pack of 10 envelopes, ideal for small businesses, events and home stationery.
  • COLOUR NOTICE Please note that colours may appear differently on various screens. Our efforts have been directed towards representing the product's natural color as accurately as possible.
Show More