Last updated on 02/04/2026 3
Postmaster DL Envelopes 110 x 220mm 80 GSM Self Seal White 400 Pack
Why we love it
- Sustainable, PEFC-certified envelopes.
- Keeps documents private.
- Self-seal for convenience.
Main Highlights
- DL ENVELOPE - Designed to take sheets of A4 Paper folded into thirds & designed to be sent using a single 1st Class or 2nd Class Stamp (max 100g)
- KEEPS YOUR DOCUMENTS PRIVATE - our envelopes are printed on the inside with an opaque blue pattern that makes it difficult to see what is inside the envelope
- PEFC-CERTIFIED FOR SUSTAINABILITY - PEFC is a European based Forest certification system, that allows small- and family forest owners to demonstrate their excellence in sustainable forest management
- HYGIENIC & FAST - this envelope features Self Seal closing, which means no licking or peeling. Simply press the flap down for a secure, hassle free close
- MADE IN THE UK - we manufacture millions of Envelopes for some of Britain's biggest Organisations as well as for thousands of small, home based businesses using quality, bright white 80GSM paper. The Paper can be written on, labelled or can be used with most household & office printers
Postmaster DL Envelopes 110 x 220mm 80 GSM Self Seal White 400 Pack
Why we love it
- Sustainable, PEFC-certified envelopes.
- Keeps documents private.
- Self-seal for convenience.
Main Highlights
- DL ENVELOPE - Designed to take sheets of A4 Paper folded into thirds & designed to be sent using a single 1st Class or 2nd Class Stamp (max 100g)
- KEEPS YOUR DOCUMENTS PRIVATE - our envelopes are printed on the inside with an opaque blue pattern that makes it difficult to see what is inside the envelope
- PEFC-CERTIFIED FOR SUSTAINABILITY - PEFC is a European based Forest certification system, that allows small- and family forest owners to demonstrate their excellence in sustainable forest management
- HYGIENIC & FAST - this envelope features Self Seal closing, which means no licking or peeling. Simply press the flap down for a secure, hassle free close
- MADE IN THE UK - we manufacture millions of Envelopes for some of Britain's biggest Organisations as well as for thousands of small, home based businesses using quality, bright white 80GSM paper. The Paper can be written on, labelled or can be used with most household & office printers
4
45 White Mailing Envelopes, 100 GSM Mixed Sized Self Seal Greeting Card Envelopes, Invitation Envelopes for Posting Mailing Home Office and Ecommerce(15 DL+15 C5+15 C4+1opener)
Why we love it
- Comes with envelope opener.
- Quick self-seal adhesive strip.
- Security tinted for privacy.
Main Highlights
- PACKAGE INCLUDES - A pack of 45pcs white envelopes contains 15pcs DL series,15pcs C4 series and 15pcs C5 series,also comes with a random color envelope opener
- DETAILS - 100GSM, DL:110X220MM(4-1/3 x 8-2/3inch), C5:229X162MM(9 x 6-3/8 inch),C4:229X324MM(9 x 12 3/4inch)
- SELF-SEAL - Quick and convenient adhesive strip provides a reliable, tamper-evident tight seal to secure all enclosures. just remove strip and press to close
- SECURITY TINTED - Each envelope is designed with blue printed patterns inside to protect contents and sensitive information
- MULTIPURPOSE - As this is a mixed package that meets the needs of your various sizes of letters. It is perfect for mailing and organizing various letters, cards, files, menu, collectibles, commemorative cards and other families or commercial uses
45 White Mailing Envelopes, 100 GSM Mixed Sized Self Seal Greeting Card Envelopes, Invitation Envelopes for Posting Mailing Home Office and Ecommerce(15 DL+15 C5+15 C4+1opener)
Why we love it
- Comes with envelope opener.
- Quick self-seal adhesive strip.
- Security tinted for privacy.
Main Highlights
- PACKAGE INCLUDES - A pack of 45pcs white envelopes contains 15pcs DL series,15pcs C4 series and 15pcs C5 series,also comes with a random color envelope opener
- DETAILS - 100GSM, DL:110X220MM(4-1/3 x 8-2/3inch), C5:229X162MM(9 x 6-3/8 inch),C4:229X324MM(9 x 12 3/4inch)
- SELF-SEAL - Quick and convenient adhesive strip provides a reliable, tamper-evident tight seal to secure all enclosures. just remove strip and press to close
- SECURITY TINTED - Each envelope is designed with blue printed patterns inside to protect contents and sensitive information
- MULTIPURPOSE - As this is a mixed package that meets the needs of your various sizes of letters. It is perfect for mailing and organizing various letters, cards, files, menu, collectibles, commemorative cards and other families or commercial uses
6
FIRST CHOICE KAYA 25, 50, 100 DL White Mailing Envelopes Self Seal for Posting mailing Home Office and Ecommerce Peel and Seal (100)
Why we love it
- Great protection for items.
- Reusable and durable design.
- Easy Peel & Seal.
Main Highlights
- Great Protection - ProtectiveEnvelopes that can be used to protect beads, small and tiny things from scuffs and scrapes.Ideal for invoices, letters and more
- Usage - Reusable, It is durable and designed for repeated use and eyelets are reinforced . Great for home, office, school, interoffice or mailing.
- Condition - Make a difference to your mail with these luxurious Premium Business envelopes.
- Save Time - Easy to use Peel & Seal close, and Rip & Strip open; Speed up packing times; Convenient for customers
- Quantity - Choose the Quantity of Pack of 25 , 50 or 100
FIRST CHOICE KAYA 25, 50, 100 DL White Mailing Envelopes Self Seal for Posting mailing Home Office and Ecommerce Peel and Seal (100)
Why we love it
- Great protection for items.
- Reusable and durable design.
- Easy Peel & Seal.
Main Highlights
- Great Protection - ProtectiveEnvelopes that can be used to protect beads, small and tiny things from scuffs and scrapes.Ideal for invoices, letters and more
- Usage - Reusable, It is durable and designed for repeated use and eyelets are reinforced . Great for home, office, school, interoffice or mailing.
- Condition - Make a difference to your mail with these luxurious Premium Business envelopes.
- Save Time - Easy to use Peel & Seal close, and Rip & Strip open; Speed up packing times; Convenient for customers
- Quantity - Choose the Quantity of Pack of 25 , 50 or 100
7
TRIPLE PRIO DL White Peel and Seal Envelopes - Secure Self Seal No Window Design - Perfect for Home Office & Business Mails (100)
Why we love it
- Protects sensitive data inside.
- Ultra strong self-seal closure.
- Ideal for large mailings.
Main Highlights
- SECURITY TINTED - Our premium business envelopes are designed with a security tint pattern to protect sensitive data inside the documents.
- QUICK PEEL AND SEAL CLOSURE - Each envelope has an ultra strong self-seal adhesive strip that requires no moisture.
- NO WINDOW DESIGN - Manufactured with a windowless front panel for easy printing, labeling, stamps or hand-addressing, perfect for quick, mass, home and business mailings.
- LONG LASTING SUPPLY - Packs of 25, 50 and 100 envelopes are available for a long lasting supply. Ideal for everyday home, school, office and business correspondence for large mailing tasks. This simply makes it a perfect stationary set.
- PRINTER FRIENDLY - Printer friendly with smooth thick paper saves you time and frustration while printing without having to worry about jamming.
TRIPLE PRIO DL White Peel and Seal Envelopes - Secure Self Seal No Window Design - Perfect for Home Office & Business Mails (100)
Why we love it
- Protects sensitive data inside.
- Ultra strong self-seal closure.
- Ideal for large mailings.
Main Highlights
- SECURITY TINTED - Our premium business envelopes are designed with a security tint pattern to protect sensitive data inside the documents.
- QUICK PEEL AND SEAL CLOSURE - Each envelope has an ultra strong self-seal adhesive strip that requires no moisture.
- NO WINDOW DESIGN - Manufactured with a windowless front panel for easy printing, labeling, stamps or hand-addressing, perfect for quick, mass, home and business mailings.
- LONG LASTING SUPPLY - Packs of 25, 50 and 100 envelopes are available for a long lasting supply. Ideal for everyday home, school, office and business correspondence for large mailing tasks. This simply makes it a perfect stationary set.
- PRINTER FRIENDLY - Printer friendly with smooth thick paper saves you time and frustration while printing without having to worry about jamming.
9
Evour A4/C4 Self Seal White Pocket Envelopes – 229x324mm, 100 GSM, No Window – for Home, Office, and Business Mailing Pack of 25
4% Off
Why we love it
- Requires no extra materials.
- Quick, secure self-seal closure.
- Compatible with various printers.
Main Highlights
- SELF-SEAL ENVELOPES- Each envelope has an ultra-strong self-seal adhesive strip that requires no moisture, A Quick Self Seal Closure.
- NO WINDOW DESIGN - Manufactured with a windowless front panel for easy printing, labeling, stamps, or hand-addressing, perfect for quick, mass, home, and business mailings. Office Supply envelopes
- 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 them shut! These envelopes are also compatible with most inkjet and laser printers.
- A4 C4 Size: 324mm x 229mm White 100 GMs
- MULTIPURPOSE: These envelopes are ideal for mailing & organizing invoices, letters, statements, catalogs, periodicals, brochures, etc. They are a cost-effective option for everyday home, office & commercial use!
Evour A4/C4 Self Seal White Pocket Envelopes – 229x324mm, 100 GSM, No Window – for Home, Office, and Business Mailing Pack of 25
4% Off
Why we love it
- Requires no extra materials.
- Quick, secure self-seal closure.
- Compatible with various printers.
Main Highlights
- SELF-SEAL ENVELOPES- Each envelope has an ultra-strong self-seal adhesive strip that requires no moisture, A Quick Self Seal Closure.
- NO WINDOW DESIGN - Manufactured with a windowless front panel for easy printing, labeling, stamps, or hand-addressing, perfect for quick, mass, home, and business mailings. Office Supply envelopes
- 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 them shut! These envelopes are also compatible with most inkjet and laser printers.
- A4 C4 Size: 324mm x 229mm White 100 GMs
- MULTIPURPOSE: These envelopes are ideal for mailing & organizing invoices, letters, statements, catalogs, periodicals, brochures, etc. They are a cost-effective option for everyday home, office & commercial use!
