Reusable material - Made from polyester and EVA fabric, this lovely shower cap is eco-friendly, skin-friendly, and super breathable. It is very comfortable to wear. Double layer waterproof shower cap - Contains two layers, including a polyester outer layer and an EVA inner layer, which effectively keeps your hair dry when you enjoy a shower. Upgrade your shower experience. Elastic rope - Made from reusable rubber and specially covered elastic rope, our reusable shower cap will bring much less pressure to your head than other hair shower caps. Multi-purpose - You can use this shower cap for facial care, s, cooking, home cleaning, and more. The solid hair cap for shower will not only bring more convenience but also more beauty to your daily life. Four colors - The package comes with shower caps in various colors, including green, purple, pinkish-orange, and blue, giving you more choices to match with your pajamas. Size &Instructions Size: Inner Diameter: 5.3”Outer Diameter: 11.8”Inner Circumference: 16.6”Outer Circumference: 37”Please note size is for reference, 0"-0.2 "error is allowed. Instructions： The elastic band fits most head size and most long thick natural hair. But if your hair type is very special such as wild-curl up, this shower cap may not be very perfect.Before using the cap, it’s recommended to secure your hair at the nape of your neck for the best fit. Product DetailsDOUBLE LAYER WATERPROOF Made from a polyester outer layer and an EVA inner layer, which effectively keeps your hair dry when you enjoy a shower. Please wear the shower cap in the correct way to avoid wetting your hair. COMFORTABLE Made from durable fabric material, providing you a delightful shower while keeping your hair dry. LEAK FREE DESIGN The upgraded elastic rope is leak-proof. The durable rubber will bring much less pressure to your head, providing you with more comfort. MULTI-PURPOSE For facial care, s, cooking, home cleaning, and more.