PE Shower Cap 1. Made of PE 2. Type: Elastic sewn around 3,Avoid the hair down off Advantage: Light weight, water-proof. Convenience. Thickness: 0.02mm Size; 18", 21", 24", (21" is more popular ) Type: The shower cap can be made by manual work (it is round shape after sewing) It can be also made by machine(it is clip/strip shape after coming out of the machine) Packing: 100PCS/polybag, 1000PCS/ ...