--- product_id: 515573571 title: "Padded Envelopes A4 White Peel Seal Bubble Mailers 220x340mm, 10 Pack" brand: "postmaster" price: "¥2237" currency: JPY in_stock: true reviews_count: 9 category: "Postmaster" url: https://www.desertcart.jp/products/515573571-padded-envelopes-a4-white-peel-seal-bubble-mailers-220x340mm-10 store_origin: JP region: Japan --- # FSC certified sustainable paper Perfect A4 size 220x340mm Secure peel & seal closure Padded Envelopes A4 White Peel Seal Bubble Mailers 220x340mm, 10 Pack **Brand:** postmaster **Price:** ¥2237 **Availability:** ✅ In Stock ## Summary > 📦 Ship Smart, Ship Secure, Ship Sustainable! ## Quick Answers - **What is this?** Padded Envelopes A4 White Peel Seal Bubble Mailers 220x340mm, 10 Pack by postmaster - **How much does it cost?** ¥2237 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/515573571-padded-envelopes-a4-white-peel-seal-bubble-mailers-220x340mm-10) ## Best For - postmaster enthusiasts ## Why This Product - Trusted postmaster brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Trusted UK Manufacturing:** Produced by Postmaster, a reliable supplier for top UK businesses and thriving small enterprises. - • **Effortless & Secure Sealing:** Peel and seal closure ensures fast packing and tamper-proof shipments every time. - • **Eco-Friendly Packaging Choice:** Made from FSC-certified paper, supporting responsible forest management and your green values. - • **Ultimate Protection for Fragile Goods:** Bubble padding cushions valuables like jewelry, cosmetics, and electronics with confidence. - • **Lightweight for Cost-Effective Shipping:** Send with just one large letter stamp if under 100g and 25mm thickness—save on postage. ## Overview Postmaster Padded Envelopes are A4-sized (220x340mm) white bubble mailers designed for secure, lightweight shipping. Featuring peel-and-seal closures, they protect fragile items while enabling cost-efficient postage with a single stamp for parcels under 100g. Made in the UK from FSC-certified sustainable paper, these envelopes combine durability, convenience, and eco-consciousness—ideal for ecommerce professionals and small business owners seeking premium packaging solutions. ## Description Postmaster Padded Envelopes A4 White Peel Seal Bubble Mailers 220x340mm, 10 Pack : desertcart.co.uk: Stationery & Office Supplies Review: Good size and quality - Really good quality envelopes. I’m a small business owner and use these to send my products in and I’ve never had an issue with them. They are strong, stick really well and the perfect size for me. Really pleased Review: Good padding and good price - Well padded, functional to post a 3D card safe and sound! Good doze for my needs- A4 and value for sure ## Features - PROTECTS – Our Bubble Mailers are designed to protect fragile contents such as Jewellery, Cosmetics and Phones. Ideal for Online businesses, eBay sellers, Etzy vendors & Ecommerce companies who want to give their customers a fantastic buying experience. - FAST – Our Kraft bags have PEEL and SEAL closing, so you can quickly and securely prepare shipments so that they can’t be opened until the packaging arrives. - SEND WITH 1 x STAMP - this Envelope is lightweight & measures 220 x 340mm (perfect for A4 sized contents), and as long as the thickness doesn’t exceed 25mm you can send this Bubble Mailer with a single Large Letter 1st or 2nd Class stamp (max 100g) - FSC CERTIFIED FOR SUSTAINABILITY – FSC stands for the Forest Stewardship Council, and is an international organisation dedicated to promoting responsible management of the world’s forests. These padded envelopes are made from Paper that has been certified by the FSC as sustainable. - MADE IN THE UK BY Postmaster - we manufacture millions of Envelopes for some of Britain's biggest Organisations as well as for thousands of small, home based businesses ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0B919D1FB | | Best Sellers Rank | 8,165 in Stationery & Office Supplies ( See Top 100 in Stationery & Office Supplies ) 37 in Padded Envelope Mailers | | Brand | Postmaster | | Closure | Self-Seal | | Colour | 10 white padded | | Customer Reviews | 4.5 4.5 out of 5 stars (104) | | Date First Available | 8 Aug. 2022 | | Item Weight | 250 g | | Manufacturer | Bong | | Manufacturer Part Number | RBL10625 | | Material Type | Paper | | Model Number | RBL10625 | | Number of Items | 10 | | Paper Finish | Matte | | Product Dimensions | 22 x 34 x 0.3 cm; 250 g | | Shape | Rectangular | | Sheet Size | 220 x 340 | | Size | A4 | ## Product Details - **Brand:** Postmaster - **Closure type:** Self-Seal - **Colour:** 10 white padded - **Material:** Paper - **Occasion:** Anytime ## Images ![Padded Envelopes A4 White Peel Seal Bubble Mailers 220x340mm, 10 Pack - Image 1](https://m.media-amazon.com/images/I/41m+Vy-78+L.jpg) ## Available Options This product comes in different **Size, Style** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ Good size and quality *by S***M on 28 March 2025* Really good quality envelopes. I’m a small business owner and use these to send my products in and I’ve never had an issue with them. They are strong, stick really well and the perfect size for me. Really pleased ### ⭐⭐⭐⭐⭐ Good padding and good price *by D***T on 18 July 2025* Well padded, functional to post a 3D card safe and sound! Good doze for my needs- A4 and value for sure ### ⭐⭐⭐⭐ envelopes *by A***R on 30 March 2025* good size but not very thick ## Frequently Bought Together - Postmaster Padded Envelopes A4 White Peel Seal Bubble Mailers 220x340mm, 10 Pack - SmithPackaging Large Bubble Wrap Roll 300mm x 5m - Small Air Bubbles Packaging for Moving House & Packing Storage Boxes - A3 A4 A5 Padded Envelopes Bubble Envelopes Bags Postal Wrap Envelope (10x A5) --- ## 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.jp/products/515573571-padded-envelopes-a4-white-peel-seal-bubble-mailers-220x340mm-10](https://www.desertcart.jp/products/515573571-padded-envelopes-a4-white-peel-seal-bubble-mailers-220x340mm-10) --- *Product available on Desertcart Japan* *Store origin: JP* *Last updated: 2026-09-09*