Specification: Packaging: it contains 12 pieces of shower caps Color: red, blue, green, 4 pcs for each color Material: high-quality EVA plastic shower cap Size: about 10.6inch/27cm in diameter inner diameter about 7.1inch/ 18cm Feature Waterproof shower cap The shower cap for women has a strong seal, and even if a large amount of water is poured, the water cannot seep out the shower cap for men. It can block the damage of water, oil and dust to the hair. Disposable shower caps are must-haves at home. Elastic band design The diameter of the large shower cap is approximately 27cm/10.6 inches, and the elastic band is easily stretchable and comfortable to wear, so the shower cap for kids can hold the hair firmly. Widely used The hair shower cap is great for protecting your hair from getting wet in the shower or bath, as well as keeping your hair from getting dirty or damaged when applying makeup, cleaning and cooking. Notice All dimensions are got by manual measurement, so there may exist some measurement errors, please don't mind.