Our smallest metallic silver poly mailers have dimensions of 120x170mm and offer a strong, secure and cost-effective option for sending a large range of products. Quick and easy to pack with their peel and seal adhesive strip, these polythene mailing bags offer reliable protection to your non-fragile items and are tear and puncture resistant. Lightweight but strong and robust, these bright polythene mailers offer reliable protection without adding to your postage costs. Features include: Peel and seal closure Waterproof Tear and puncture resistant Compact to store Recyclable and degradable