Envelope Mailers

Go Secure's extra strong polythene envelopes are 245x320mm in size and available in a pack of 25. These envelopes offer durability, security, and protection for documents or small items during storage or shipping.
Q-Connect Gusset Envelope 352x250x25mm Manilla B4 - 125 pack. Durable and secure for packaging or mailing documents, made from quality manilla paper.
Durable and lightweight Tyvek B4A envelopes with a 38mm gusset, perfect for secure mailing. Featuring a peel and seal closure for easy use, this pack of 100 envelopes is ideal for businesses and personal use, ensuring your documents stay protected.
Q-Connect Padded Gusset Envelopes E4 x 50mm Peel and Seal Pack of 100. These white envelopes offer extra protection for mailing items. With a padded gusset, they provide shock absorption to prevent damage during transit.
Q-Connect C4 envelopes are made from 80gsm manila paper and feature a gummed closure for secure sealing. This pack contains 250 envelopes, perfect for mailing documents, reports, and other important papers efficiently.
Q-Connect C4 Window Envelopes feature a stylish basketweave design and are made from durable 115gsm manila paper. These self-seal envelopes come in a convenient pack of 250, perfect for secure mailing and professional presentations.
Q-Connect C4 board-back envelopes are made from 115gsm manila paper and feature a convenient peel-and-seal closure. This pack contains 125 envelopes, perfect for secure mailing and professional presentations. Ideal for office and personal use.
Q-Connect B4 Pocket Envelopes are ideal for secure mailing. Measuring 353x250mm and made from 90gsm manilla, these self-seal envelopes come in a pack of 250, providing convenience and durability for all your mailing needs.
Q-Connect C4 Window Envelopes are made from 90gsm white paper and feature a self-seal design for easy closure. This pack contains 250 envelopes, perfect for mailing documents securely and efficiently. Ideal for office or personal use.
This is a pack of 100 strong polythene mailing envelopes, measuring 440 x 320mm and are opaque. They are made from extra strong polythene, providing excellent protection for mail.
This is a pack of 150 white C5 envelopes with a self-seal feature, made from 90gsm paper by Q-Connect. KF07558
The Package Height of the Product is 9.61 inches - The Package Length of the Product is 13.62 inches - The Package Width of the Product is 11.42 inches - The package weight is 2.51 pounds
Easy to use Self Seal closure - High quality 90 gsm paper - Perfect for business correspondance, letters, brochures and more - Handy shrink wrapped pack of 50 - C5 takes an A4 sheet of paper folded in 2
Q Connect Envelope DL 100gsm Plain Peel And Seal White Pack of 500 - KF02951. These envelopes are made from high quality white paper, with a peel and seal feature for added convenience.
Q-Connect's padded gusset envelopes provide extra protection for documents. These white, peel-and-seal B4 envelopes measure 353x250x50mm and come in a pack of 100.
White C4 Self-Seal Envelopes, 90gsm, pack of 250. Pocket design with adhesive strip for easy sealing.
Great Product - Press seal envelopes - Size: C4 - Colour: Manilla - Pack of 250
Great Product - Press seal envelopes - Size: DL - Pack of 1000 - Colour: White
Secure Peel and Seal Closure for ease of use, added security and extra shelf life - High quality 100 gsm paper - Perfect for business correspondance, letters, brochures and more - 45x90 mm window 60 mm up 20 mm from left
Self-seal white window envelopes in DL size, made from 90gsm paper, ideal for mailing documents and letters.
Great Product - Press seal envelopes - Weight: 90gsm - Colour: White - Pack of 500
Great Product - Press seal envelopes - Pack of 250 - Size: C4 - Colour: White
Mail Lite Gold Padded Postal Bag, Size J/6 - 314mm x 450mm, Pack of 50. Durable and water-resistant bag for safe mailing. Ideal for small items or fragile goods.
OND638507 - Great Product - Wallet envelopes - Press seal envelopes - Size: DL - Colour: White - Weight: 80gsm
Perfect for heavier weight items - Catalogues, Files, Printouts, Textiles, Lever Arch Files - Secure peel & seal closure. Larger sizes feature double seal - Lightweight. Saves on postage costs - Weatherproof, burstproof, tear and puncture resistant - Acce
Mail Lite Plus Oyster Bubble-Lined Postal Bag - Size K/7 - 350x470mm - Pack of 50 Envelopes for Sending Letters and Small Items. Self-Seal Closure, Durable Construction, and Easy to Use. Suitable for Multiple Uses.
Mail Lite Plus Oyster White Postal Bag, 300x440mm, bubble-lined, peel and seal, pack of 50. Designed for secure mailing or shipping items in various sizes. Made with high quality materials to protect your belongings from damage during transit.
Mail Lite Plus Bubble-Lined Postal Bag Peel and Seal Oyster 270x360mm Pack-50. White mailer bag with bubble lining, self-seal flap, and a pack of 50 in size H/5 270x360mm Oyster White.
Mail Lite Plus G/4 Oyster 240x330mm 50env/BX - Bubble-lined, peel and seal postal bag in oyster white color with dimensions 240 x 330mm, available in a pack of 50. Made for safely sending mail or packages.
The Mail Lite Plus E/2 Oyster is a bubble-lined postal bag measuring 220x260mm and available in a pack of 100. Made of durable material, this self-sealing envelope provides protection for your items during shipping.
Mail Lite Plus Bubble-Lined Envelope, Size D/1, Peel and Seal, White, Pack of 100. Made from strong and durable materials to protect items during shipping or mailing. Easy-to-use peel-and-seal closure.
The Mail Lite Plus C/0 Oyster is a 150x210mm bubble-lined postal bag with a peel and seal feature. Made from high-quality material, it offers excellent protection for your mail items.
White bubble-lined envelopes, 300x440mm, pack of 50, with peel and seal closure for secure mailing.
Exceptionally strong protection. Ideal for bulky and heavy items. Puncture and tear-resistant paper. Double glued bottom flap for extra protection. Contains up to 76 percent recycled paper - can be recycled. No.3. 195x343mm. Suggested Usage - VHS Tapes &
Easy to use Self Seal closure - High quality 90 gsm paper - Perfect for business correspondance, letters, brochures and more - Blue opaque to keep your correspondence confidential
Heavy duty mailing pouch - Cost-effective alternative to envelopes for two way distribution - Made of durable PVC coated nylon - Able to take up to 10kg in weight - Lockable zip closure

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