--- product_id: 214021971 title: "12x15.5 inch Biodegradable Shipping Bags,50 Count Compostable Poly Mailers with Eco Friendly Packaging Envelopes Supplies Mailing Bags" brand: "ktob" price: "€ 46.44" currency: EUR in_stock: true reviews_count: 8 category: "Ktob" url: https://www.desertcart.hr/products/214021971-12x15-5-inch-biodegradable-shipping-bags-50-count-compostable-poly store_origin: HR region: Croatia --- # 100% biodegradable ASTM & BPI certified Moisture & puncture resistant Tamper-proof self-adhesive seal 12x15.5 inch Biodegradable Shipping Bags,50 Count Compostable Poly Mailers with Eco Friendly Packaging Envelopes Supplies Mailing Bags **Brand:** ktob **Price:** € 46.44 **Availability:** ✅ In Stock ## Summary > ♻️ Ship Smart, Stand Out, Save the Planet! ## Quick Answers - **What is this?** 12x15.5 inch Biodegradable Shipping Bags,50 Count Compostable Poly Mailers with Eco Friendly Packaging Envelopes Supplies Mailing Bags by ktob - **How much does it cost?** € 46.44 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.hr](https://www.desertcart.hr/products/214021971-12x15-5-inch-biodegradable-shipping-bags-50-count-compostable-poly) ## Best For - ktob enthusiasts ## Why This Product - Trusted ktob brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Secure & Sleek:** Strong tamper-evident seal keeps your non-fragile goods safe and stylish. - • **Certified Green:** ASTM 6400 & BPI standards ensure your shipments reduce 60% CO2 emissions vs. plastic. - • **Weather Warrior:** Durable against moisture, punctures, and stretching—your parcels arrive flawless. - • **Eco-Chic Packaging:** Showcase your brand with guilt-free, compostable mailers that speak sustainability. - • **Ink with Integrity:** Printed with vegetable oil-based inks for a truly plastic-free, eco-conscious finish. ## Overview These 12x15.5 inch biodegradable shipping bags come in a pack of 50, made from PBAT and modified corn starch, fully certified compostable under ASTM 6400 and BPI standards. Designed for non-fragile items, they feature a tamper-proof self-adhesive seal and resist moisture and punctures, ensuring secure, eco-friendly deliveries that reduce carbon emissions by 60% compared to traditional plastics. ## Description desertcart.com : 12x15.5 inch Biodegradable Shipping Bags,50 Count Compostable Poly Mailers with Eco Friendly Packaging Envelopes Supplies Mailing Bags : Office Products Review: great to use & sustainable! - i use these for my shop on Depop and they work great! super durable and adhesion sticks on perfect. i feel good about them being compostable as well! if i’m selling/buying clothes sustainably (2nd hand) i love that they shipping material is also sustainable! Review: Wonderful product! - Great quality. I love that it’s biodegradable, but still high quality. ## Features - 100% BIODEGRADABLE - Made of PBAT and modified corn starch in accordance with the standards of ASTM 6400, EN13432, BPI, and OK COMPOST HOME. This material represents a 60% reduction in CO2 emissions compared to traditional plastics, is non-toxic, and BPA-free. - FITS YOUR BRAND PERFECTLY - Elevate your customers' experience and make it easy to recognize your shipments. Using our stunning shipping supplies with custom designs ensures your brand stands out from the crowd. Who wouldn't want to open that compostable package without any guilt? - UNPADDED, SECURE, AND EASY TO USE - Our 2.5 mil compostable poly mailers are unpadded and perfect for sending out non-fragile items such as clothing. Our strong tamper-proof self-adhesive strip is there so once sealed, it can't be opened without visible signs of tampering. Keep your package safe and deter thieves with strong packaging that won't open easily. - BIODEGRADABLE AND WEATHER-RESISTANT - Biodegradability doesn't compromise integrity. KTOB's biodegradable shipping envelopes are resistant to moisture, water, punctures, and stretching. You can be sure that your parcels will reach your customers in the same state they left you - intact and looking awesome. - WATER-BASED INK - We use vegetable oil as the base for inks. Compared to traditional ink, it does not include any plastic or PVC, which makes it more sustainable. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0892X6YN5 | | Best Sellers Rank | #18,731 in Office Products ( See Top 100 in Office Products ) #196 in Envelope Mailers | | Brand | KTOB | | Closure | Self-Seal | | Color | black | | Customer Reviews | 4.5 4.5 out of 5 stars (1,166) | | Date First Available | June 23, 2020 | | Item Weight | 2.25 pounds | | Item model number | KTOB 3# polymailers black | | Manufacturer | Tianren Biological Technology | | Manufacturer Part Number | KTOB 3# polymailers black | | Material Type | PBAT | | Number of Items | 50 | | Product Dimensions | 15.5 x 12 x 0.04 inches | | Shape | Rectangular | | Size | 12x15.5 Inch (Pack of 50) | ## Product Details - **Brand:** KTOB - **Closure Type:** Self-Seal - **Color:** black - **Material:** PBAT - **Occasion:** everyday mailing ## Images ![12x15.5 inch Biodegradable Shipping Bags,50 Count Compostable Poly Mailers with Eco Friendly Packaging Envelopes Supplies Mailing Bags - Image 1](https://m.media-amazon.com/images/I/51K3y52KGiL.jpg) ## Questions & Answers **Q: Are these mailers padded?** A: No, they are not padded. **Q: What kind of glue will stick paper to these? My printed mailing labels fall right off with normal glue.** A: Some bidegradable poly mailers haven't finished surface treatment, if you aren't satisfied, we will fully refund you. **Q: What is the minimum order for personalized bags?** A: 20000pcs **Q: Can you tape stuff on** A: Yep! I tape labels onto it using packing tape and it works great. ## Customer Reviews ### ⭐⭐⭐⭐⭐ great to use & sustainable! *by A***R on April 24, 2021* i use these for my shop on Depop and they work great! super durable and adhesion sticks on perfect. i feel good about them being compostable as well! if i’m selling/buying clothes sustainably (2nd hand) i love that they shipping material is also sustainable! ### ⭐⭐⭐⭐⭐ Wonderful product! *by M***E on December 24, 2025* Great quality. I love that it’s biodegradable, but still high quality. ### ⭐⭐⭐⭐⭐ Amazing packers! *by R***A on August 24, 2020* These are super nice! I love that they re compostable....I reuse all my amazon packages to ship stuff out but sometimes I need sleeves and these are great. Well worth the $$$. They stretch well, thick, stick well, and have a great minimal look to them! Shipping labels also stick well to them! ## Frequently Bought Together - 12x15.5 inch Biodegradable Shipping Bags,50 Count Compostable Poly Mailers with Eco Friendly Packaging Envelopes Supplies Mailing Bags - 10x13 inch Biodegradable Shipping Bags,50 Count Compostable Poly Mailers with Eco Friendly Packaging Envelopes Supplies Mailing Bags - 6x9 inch Biodegradable Poly Mailers,50 Count Compostable Shipping Bags with Eco Friendly Packaging Envelopes Supplies Mailing Bags --- ## 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.hr/products/214021971-12x15-5-inch-biodegradable-shipping-bags-50-count-compostable-poly](https://www.desertcart.hr/products/214021971-12x15-5-inch-biodegradable-shipping-bags-50-count-compostable-poly) --- *Product available on Desertcart Croatia* *Store origin: HR* *Last updated: 2026-05-17*