The material can be non woven, cotton, T/C (polyester and cotton), PVC, PEVA, EVA, Tyvek and so on. With durable zipper, first class sewing work (the transparent windows are sewed with automatic machine so the sewing line is straight). 100% virgin new material. Exactly matching printing color and good ink coverage. All the spare parts we chose the first class quality. We manufacture 100% according to your given specification.