Postage Bags 50 Pack, 9x12 Compostable Eco-Friendly Biodegradable Poly Mailers with Self Seal Adhesive Strong, Waterproof, Tamper Proof Packaging Bags for Shipping & Couriers

ECO-FRIENDLY & COMPOSTABLE: Made from biodegradable and compostable materials that safely break down over time - a sustainable alternative to plastic mailing bags. Ideal for environmentally conscious sellers and shoppers. STRONG, TEAR-RESISTANT MATERIAL: Manufactured using premium 60-micron opaque film for superior strength and durability. Protects your parcels from tearing, punctures, and rough handling during transit. SECURE SELF-SEAL CLOSURE: Each mailing bag features a strong self-adhesive strip for instant sealing. Once closed, the bag cannot be opened without visible damage, ensuring your items stay safe and tamper-proof. WATERPROOF & DIRT RESISTANT: Designed to be water and dust resistant, keeping your shipments clean and dry even in wet or humid conditions. Perfect for reliable protection during courier handling. MULTIPURPOSE PACKAGING SOLUTION: Ideal for shipping clothes, books, accessories, documents, gifts, or eCommerce orders. Suitable for Amazon, eBay, Etsy, Shopify, and all major courier services