... produced by joining two layers of fabric together in order to make the shower cap not only ... LDPE,LDPP,PVC,CPE3.Performance:waterproof,harmless,4.Size:18'',19'',20'',21'',22'',etc5.Color: ... Standard size 18",20" Diameter. Each piece packed in an individual polybag,500 pieces per box. Minimum order quantity ... to wear.2. Water and chemical resistent3. The size also suits for longer hair style4. Elastic band ...