Waterproof Materials: Our hair shower caps are made of soft polyester and waterproof PEVA lined, which made the shower hat be reusable and waterproof Double-Layer Shower Hat: As the shower accessories for women, our shower bonnet contains two layers which inner layer is waterproof PEVA to keep your hair from wet in bathing, outer layer is polyester with delicate style to make the hair cap be beautiful Practical Purposes: The protective shower cap can be hair cover for shower, keep your hair dry during bathing, and keep your hair away from the dust and oily fumes during cleaning and cooking, also tying hair during making up, washing face, SPA Salon etc Size Adjustable Shower Cap: The flat diameter is about 10.6 inch / 27cm, showercap with elastic band which can always covered, 't slip off, fit for adult, kids, teen girl, women, it's and portable, can be folded on travel Material: Polyester outer layer PEVA lining colour: As Shown Package Contents: 4 x Shower Cap Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.