Material The shower cap is made of thickened tear-resistant polyester, which is soft, lightweight and comfortable to wear. The waterproof PU coating protects the hair from chlorinated water, but is not 100% waterproof for very thick or long hair. Scope of delivery 2 unisex swimming caps, black and blue, Hearing protection for women, men, kids, boys, girls. Shower cap measures approximately 10.25" wide, 6.1" high, and 12.8" wide. It is elastic and suitable for head circumferences of 52 to 63 cm. We strongly recommend that you measure your head before ordering. Easy to wear Compared to traditional silicone swim caps, polyester swim caps are easier to put on and take off without pulling.< /p> Swimming caps and shower caps for adults and children, professional swimmers or beginners. Suitable for all hair lengths, short or long.