25 Pcs Poly Mailers 10x13 inch, 2.4mil Thickness, Black

25 Pcs Poly Mailers 10x13 inch, 2.4mil Thickness These poly mailers made of a poly material that has 2.4mil Thickness and a durable tear proof design. They are equipped with a strong self-sealing adhesive strip. The thick material also makes these opaque and waterproof while providing you with privacy protection. These shipping envelopes are easy to use and require no additional packaging materials. Plus, polymailers are lightweight and space-saving too. Mailer bags are great for clothing boutiques, office supplies, family, crafts, and warehouses.