Double layers waterproof: the shower cap is designed with double layers, an inner waterproof EAV layer and an outer satin layer, which keeps your hair completely dry in the shower and prevents water from seeping in from the sides and rear. The elastic headband of the black shower cap tightens well to prevent water from entering. Good fit without elastic marks: the outer diameter of the shower cap is 12.6 inches and the length of the elastic band is between 7 and 34 inches. With deep inner lining and flexible elastic band, the medium size black shower cap is specially designed for teenagers, women with normal hair volume and men. The wider elastic band does not leave marks on the head. Washable and reusable: Advanced color-fixing technology on the outer satin fabric ensures that the shower cap does not fade during use. shower. Don’t worry about colors bleeding onto skin. Made of high quality polyester and EVA, the black shower cap is eco-friendly, skin-friendly, super breathable, washable and reusable. Versatile: Spacious and well constructed, the shower cap is versatile . The waterproof hair cap can be suitable for showering, facial care, cooking and SPA, protecting your hair or can be used to tie hair when doing makeup, facial cleansing, etc. Easy to carry: light and small in volume, the shower cap is ideal for traveling. You can fold it and put it in a travel bag, then use it at any time. You don’t need to wash your hair every day, saving you time.