--- product_id: 97949347 title: "Protak Poly Mailers, 2mil Self Seal Adhesive Mailing Envelopes, Waterproof Tamper Evident Plastic Shipping Mailer Bags, 6 x 9 Inch Bag, 100 pcs" brand: "protak" price: "£1.31" currency: GBP in_stock: false reviews_count: 8 url: https://www.desertcart.co.uk/products/97949347-protak-poly-mailers-2mil-self-seal-adhesive-mailing-envelopes-waterproof store_origin: GB region: United Kingdom --- # Waterproof 6x9 size Tamper evident Protak Poly Mailers, 2mil Self Seal Adhesive Mailing Envelopes, Waterproof Tamper Evident Plastic Shipping Mailer Bags, 6 x 9 Inch Bag, 100 pcs **Brand:** protak **Price:** £1.31 **Availability:** ❌ Out of Stock ## Summary > 📬 Ship Smart, Ship Secure! ## Quick Answers - **What is this?** Protak Poly Mailers, 2mil Self Seal Adhesive Mailing Envelopes, Waterproof Tamper Evident Plastic Shipping Mailer Bags, 6 x 9 Inch Bag, 100 pcs by protak - **How much does it cost?** £1.31 with free shipping - **Is it available?** Currently out of stock - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/97949347-protak-poly-mailers-2mil-self-seal-adhesive-mailing-envelopes-waterproof) ## Best For - protak enthusiasts ## Why This Product - Trusted protak brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Durable Design:** Tear-proof and tough, perfect for over-stuffing without worry. - • **Secure Shipping:** Tamper-resistant design ensures your items arrive safely. - • **Sleek Aesthetic:** Matte finish for easy labeling and a professional look. - • **Self-Sealing Convenience:** Effortless sealing with a reliable self-adhesive strip. - • **Lightweight & Cost-Effective:** Save on shipping costs with ultra-light poly mailers. ## Overview Protak Poly Mailers are 6x9 inch, 2mil thick self-sealing envelopes designed for secure and efficient shipping. With waterproof and tamper-evident features, these lightweight mailers are perfect for small items, ensuring they arrive safely and professionally packaged. ## Description Made of a tough tear-proof plastic with high strength seams which allow for overstuffing. These mailing envelopes come as black inside and a white outside matte coating that makes ink, stamps and labels easily adhere to its surface. They are lighter than all other types of mailers, which saves on postage. They are also water resistant. Tear resistant too. You cannot see through this product in interior light. Mailing envelopes have an easy to open pull strip with pressure sensitive self seal. A value bag for bulk or large shipment needs. Poly mailers are a safe shipping options for postal or federal shipments. Poly mailing bags are great for shipping shoes, clothes, blankets, clothing, shoe boxes, supplies, etc. Heavy duty water proof packaging. ## Features - About this item - 6x9 Poly Mailers. 2 Mil Thickness. Lightweight. Self-sealing. Water resistant. Tamper resistant. A 6"x9" envelope is perfect for small shipping items. Tear-proof polyethylene mailers. Tough plastic with high strength seams which allow for over-stuffing. Seamless bottom. Self-seal. Perforated tear-strip for easy opening. Tamper resistant, self-sealing mailing envelopes. Lightweight poly mailers save on shipping. They are lighter than all other types of mailers, which saves on postage. They are also water resistant. These envelopes come with a black inside and a white outside matte coating that makes ink, stamps and labels adhere easily. Smooth surface for writing or labeling. ## Images ![Protak Poly Mailers, 2mil Self Seal Adhesive Mailing Envelopes, Waterproof Tamper Evident Plastic Shipping Mailer Bags, 6 x 9 Inch Bag, 100 pcs - Image 1](https://m.media-amazon.com/images/I/51MaTqY38nL.jpg) ![Protak Poly Mailers, 2mil Self Seal Adhesive Mailing Envelopes, Waterproof Tamper Evident Plastic Shipping Mailer Bags, 6 x 9 Inch Bag, 100 pcs - Image 2](https://m.media-amazon.com/images/I/21dnAjQY2RL.jpg) ![Protak Poly Mailers, 2mil Self Seal Adhesive Mailing Envelopes, Waterproof Tamper Evident Plastic Shipping Mailer Bags, 6 x 9 Inch Bag, 100 pcs - Image 3](https://m.media-amazon.com/images/I/41fT0GX11wL.jpg) ![Protak Poly Mailers, 2mil Self Seal Adhesive Mailing Envelopes, Waterproof Tamper Evident Plastic Shipping Mailer Bags, 6 x 9 Inch Bag, 100 pcs - Image 4](https://m.media-amazon.com/images/I/41kBEDVQIwL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Easy to use and seal. *by B***R on Reviewed in the United States on April 28, 2020* I use these mailers in a number of different sizes and like them very much. Seal great. ### ⭐⭐⭐⭐⭐ 6X9 mailers *by E***R on Reviewed in the United States on October 9, 2019* They were a great price, fit nicely, can label right on package very pleased ### ⭐⭐⭐⭐⭐ Great bags *by T***T on Reviewed in the United States on September 14, 2019* These are awesome to use for hygiene bags we make in our ministry. --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/97949347-protak-poly-mailers-2mil-self-seal-adhesive-mailing-envelopes-waterproof](https://www.desertcart.co.uk/products/97949347-protak-poly-mailers-2mil-self-seal-adhesive-mailing-envelopes-waterproof) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-31*