Our smallest metallic blue economy poly mailers have dimensions 120x170mm and offer a low cost, reliable and secure way to send a variety of small non-fragile products. Unlike other low cost polythene mailing bags, these are compatible with any of our Printer and Integrated Labels. These strong and lightweight polythene mailing bags are tear and puncture resistant to offer your items reliable protection during transit without adding to your postage costs. Features include: Peel and seal closure Waterproof Tear and puncture resistant Compact to store Recyclable and degradable