12″ x 16″ Grey mailing bags are also known as grey poly mailers as well as they are lightweight and durable postal bags used for shipping and mailing purposes. These mailing bags are typically made from polyethylene (a type of plastic) and come in a range of sizes to accommodate various items. High Quality Strong Self Seal adhesive strip 10mm wide, gives an extra security. Lightweight and Saves your money by reducing postage cost. Gives a professional finish to your parcel. Can apply sticky labels to write an address (if required). Enjoy quick and easy packaging that’s 100% eco-friendly – as they made from recycled materials.
