Material: The disposable ear cap is made of transparent PE; Safe and waterproof. Effectively prevent water droplets from entering the ears.Function: The ear protector covers help protect your ears away from waterdrop when you take shower， wash hair with shampoo or dye hair.(But not for diving)Wide Application: These ear covers are disposable， suitable for home， hotels or other places that need to pay attention to ears.Stretchable Size: The plastic ear cover are in free size with a elastic band， fit your ear perfectly. The product is not completely waterproof， and the tightness will vary according to the size of the ear. If it is a small ear， it is recommended to use it with an elastic rope.Quantity: Package include 100 pieces disposable ear covers， enough for some time use.