1---SAFETY: The Waterproof ear protector cover is made from a soft, breathable PU film that is safe, allergy-free and environmentally friendly.Multi use : Protects inner ears from water damage and prevents water from reaching wounds. Suitable for bathing or showering, as an anti-abrasion heel pad to prevent heel blisters. It can also be used as an anti-friction sticker for belts, hats, jewellery, etc.2---Easy to take with you: Waterproof ear protector cover are compact and portable, so you can put them in your luggage when you travel, then your kids can enjoy the beach and play with enthusiasm.3---Complete design: Waterproof ear protector cover features cotton wool, which further blocks dripping water, while the clear disposable outer film covers all the ears, giving you double insurance. It helps keep water out of the ear canal, so it's easy to find in the pool or bath.4---HOW TO USE: Tear off the protective layer, stick it over the ear, then fold any excess sticker behind the ear, smoothing the sticky side with your hand to ensure the earmuff adheres and seals completely around the ear.