Best 80 GSM Envelopes of 2026

Jordan Akhtar Avatar
Jordan Akhtar
Last Updated: 10 Feb 2026

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Introducing a range of high-quality 80 GSM envelopes that are perfect for any office or personal use. These envelopes are made from durable materials to ensure they can withstand the rigours of everyday use. They are available in a variety of sizes and colours to suit your specific needs. The envelopes are easy to seal and provide a secure way to send documents or letters. Whether you are sending important business correspondence or personal letters, these envelopes are a reliable choice.

At a Glance: Our Top Picks

Blake Self Seal DL Envelopes Pack of 50 Cover #TOP 1
Blake Self Seal DL Envelopes Pack of 50
ftb score rating icon 9.8
Postmaster DL Self Seal Envelopes 400 Pack Cover #TOP 2
Postmaster DL Self Seal Envelopes 400 Pack
ftb score rating icon 9.7
Postmaster DL Self Seal Envelopes 110 x 220mm Cover #TOP 3
Postmaster DL Self Seal Envelopes 110 x 220mm
ftb score rating icon 9.5

Top 7 80 GSM Envelopes

Blake Self Seal DL Envelopes Pack of 50

12882/50 PR
White
DL - 110 x 220 mm
Blake Self Seal DL Envelopes Pack of 50 Cover
Blake Purely Everyday DL 110 x 220 mm 80 gsm Self Seal Envelopes (12882/50 PR) White - Pack of 50

The Blake DL Envelopes are designed for your everyday mailing needs. With an easy-to-use self seal closure, you can securely send your letters and documents without fuss. Made from high-quality 80 gsm paper, these envelopes provide a professional feel for all your correspondence. Ideal for business letters, brochures, and more, this handy pack of 50 ensures you always have enough on hand. Plus, the DL size is perfect for A4 sheets folded into thirds, making it a convenient choice for various tasks.

What We Like
Easy self seal closure
High-quality 80 gsm paper
Suitable for various correspondence
Handy pack of 50
Perfect for A4 documents
#TOP 2

Postmaster DL Self Seal Envelopes 400 Pack

Postmaster
RBL10608
DL x 400
Postmaster DL Self Seal Envelopes 400 Pack Cover
Postmaster DL Envelopes 110 x 220mm 80 GSM Self Seal White 400 Pack

The Postmaster DL Envelopes are designed to securely hold A4 sheets folded into thirds, making them ideal for mailing documents. With their opaque blue interior, you can ensure your sensitive information remains private. The self-seal feature allows for quick and hygienic closure, eliminating the need for licking. Additionally, these envelopes are PEFC-certified, meaning they come from sustainably managed forests, providing peace of mind for environmentally conscious users.

What We Like
Private document protection
Quick self-seal closure
Sustainably sourced materials
Compatible with printers
Made in the UK
#TOP 3

Postmaster DL Self Seal Envelopes 110 x 220mm

Postmaster
RBL10627
DL x 1000
Postmaster DL Self Seal Envelopes 110 x 220mm Cover
Postmaster DL Envelopes 110 x 220mm 80 GSM Self Seal White 1000 Pack

The Postmaster DL Envelopes are designed to hold A4 sheets folded into thirds, making them perfect for sending documents with a single 1st or 2nd Class stamp. Their opaque blue inner pattern ensures that your documents remain private, giving you peace of mind. The self-seal feature allows for quick and hygienic closure, eliminating the need for licking or peeling. Additionally, these envelopes are made from 80GSM paper and are PEFC-certified for sustainability, ensuring you are making an eco-friendly choice.

What We Like
Privacy with opaque inner pattern
Quick self-seal closure
Eco-friendly PEFC-certified paper
Holds A4 sheets neatly
Made in the UK
#TOP 4

Blake Purely Everyday Manilla Dinner Money Envelopes 98x67mm

119970/100 PR
Manilla
98 x 67 mm
Blake Purely Everyday Manilla Dinner Money Envelopes 98x67mm Cover
Blake Purely Everyday 98 x 67 mm 80 gsm Dinner Money Gummed Envelopes (119970/100 PR) Manilla - Pack of 100

The Blake Dinner Money Envelopes are designed with a gummed flap that ensures a reliable seal, giving you peace of mind that your contents stay secure. Made from high-quality 80 gsm paper, these envelopes provide durability and a neat finish. Their small size makes them perfect for sending cards or craft items, offering versatility for various uses. Additionally, the coated paper finish adds a touch of elegance and protects the envelope, making these a practical and stylish choice for everyday mailing needs.

What We Like
Strong gummed flap
High-quality paper
Compact size
Coated finish
#TOP 5

Postmaster DL Self Seal Envelopes 110 x 220mm

Postmaster
RBL10628
DL x 1000
Postmaster DL Self Seal Envelopes 110 x 220mm Cover
Postmaster DL Window Envelopes 110 x 220mm 80 GSM Self Seal White 1000 Pack

The Postmaster DL Envelopes are ideal for sending A4 documents folded into thirds, fitting conveniently under a single 1st or 2nd Class stamp. With an opaque blue pattern printed on the inside, these envelopes ensure your documents remain private. You will appreciate the hygienic self-seal feature, allowing you to close the envelope securely without the need for licking or peeling. Additionally, being PEFC-certified means you are choosing a product that supports sustainable forest management, making these envelopes a responsible choice for your mailing needs.

What We Like
Secure self-seal closure
Privacy with opaque design
PEFC-certified for sustainability
Easy to use with A4 documents
Made in the UK
#TOP 6

JMS Peel and Seal Manilla DL Envelopes

ENVR
Brown
JMS Peel and Seal Manilla DL Envelopes Cover
JMS we create smile - [𝟏𝟎𝟎 𝐏𝐜𝐬] Peel and Seal Manilla DL Envelopes 80 GSM | Size 220mm x 110mm | for School Home, Office (Brown)

The JMS Manilla DL Envelopes come in a pack of 100, making them perfect for all your mailing needs at school, home, or the office. Their peel and seal feature allows you to quickly and easily seal each envelope, saving you time during packing. Made from 80 gsm quality paper, these envelopes offer a sturdy option for all your correspondence. You won’t have to worry about paper cuts or messy glue, as these self-seal envelopes provide a strong hold that keeps your items secure throughout their journey.

What We Like
Convenient self-seal design
Durable 80 gsm paper
Pack of 100 envelopes
Time-saving packaging
Perfect for various uses
#TOP 7

A3³ DL White Self-Seal Wallet Envelopes 110x220mm

A3³
70400
White
Pack of 10
A3³ DL White Self-Seal Wallet Envelopes 110x220mm Cover
A3³® DL White Wallet Self‑Seal Envelopes – 110 x 220 mm, 80 GSM – Pack of 10 for Business & Office Mailing

The A3³ DL Wallet Envelopes are designed to fit A4 paper folded into thirds, making them ideal for standard business letters and documents. With a self-seal wallet flap, you can quickly and securely seal your mail without the need to lick the envelope, saving time and ensuring convenience. The 80 gsm paper strikes a balance between being lightweight for easy handling and sturdy enough to protect your contents during everyday postal delivery. This pack is perfect for offices or anyone needing reliable envelopes for mailing tasks.

What We Like
Perfect size for A4 folded
Quick, secure self-seal flap
Lightweight yet sturdy paper
Suitable for business mailing
Buying Guide Image

Frequently Asked Questions (FAQs)

1. What is a good GSM for envelopes?

Paper that is used to manufacture envelopes generally start at thin 70gsm all the way to up to a much thicker 180gsm paper....What does GSM mean?

2. How many GSM is an envelope?

140gsm to 180gsm This is the thickness of our handmade envelope range. Our handmade envelopes are like your favourite comfort blanket, so tactile you can't put it down. We have found many people who recieve these envelopes reuse them!

3. What weight paper is best for making envelopes?

I like to use 65 lb. cardstock for both cards and envelopes. However, it's best to look for other options to prevent the envelope from becoming too bulky. Just be sure you find paper that is not see through or too thin if you are sending it in the mail.

4. What weight are envelopes?

How Much Does a Typical Envelope Weigh? The most common type of envelope, the #10 envelope, weighs about 6.75 grams when made with 20# paper.

Editor's Notes

During our 80 gsm envelope research, we found 77 80 gsm envelope products and shortlisted 7 quality products. We collected and analyzed 31,011 customer reviews through our big data system to write the 80 gsm envelopes list. We found that most customers choose 80 gsm envelopes with an average price of £5.79.

The 80 gsm envelopes are available for purchase. We have researched hundreds of brands and picked the top brands of 80 gsm envelopes, including Blake, Postmaster, JMS we create smile.

Written by
Jordan Akhtar Avatar

Jordan Akthar owns one stationery store in Bradford, and another in Derby. He started with a corner bookshop, and now the rest is history. He is often found in his stores taking count of inventories of books and stationery. Jordan also likes to write, and this drove his passion for writing articles on stationery maintenance. He owns a blog, where in his free time, he would write DIY tips on how you can recycle and refine your stationeries.