100% Jersey Elastic closure Hand Wash Only MATERIAL: 100% Soft Jersey, Feel fabulous, lightweight, comfortable stretchy for head. Size & Package: 4 pieces value packed(Dark Grey,Ginger,Light Grey,Beige), well elastic band and stretchy fabric makes one size fit most head size and suit for different hair volume. DESIGN: Slip on Convenient Bonnet Jersey hair cover cap with two straps(length 9.8 inch) for wrapping or keeping ponytail fixed. Natural Soft Fabric feels silk and smooth like milk, make sensitive scalp cool in summer and warm NOT HOT in winter FUNCTIONGreat full head coverage for women hair loss due to chemo treatments for Alopecia medical cancer patients, Meanwhile the elastic band and stretchy fabric offer huge volume for big head and large bun pony hair Cover, Also available for night sleep to keep hair cover. 100% SATISFACTION: You are complete satisfaction. If you are not satisfied with our services, please let us know and we will make it right.