All of our Poly Mailers are made from high quality, 100% polyethylene material adding to its décor and resistance to water and tear. The poly bubble mailers are each lined with a full sheet of bubble on the inside to protect your valuable items from damage. It is known to be the most effective method both for protection and stabilization of your product. The Boxery offers these products at wholesale prices. Save by buying our poly bags and poly mailers in bulk.