SAFETY & COMFORTABLE: The waterproof ear protector cover is made of soft, breathable, safe, and environmentally friendly PU film, free from allergens. These hearing protectors fit loosely over the ears, lightweight and comfortable, designed to not harm baby's ears or leave marks. Suitable for both adults and babies. Each ear sticker measures 4.4 cm x 6.9 cm (2.7 x 1.7 inches).MULTI-USE: Helps protect the inner ears from water exposure and prevents water from entering sensitive areas or wounds. Ideal for swimming or showering. Can also be used as a protective heel pad to help prevent blisters, or as a friction-relief sticker for belts, hats, and jewelry.EASY TO TAKE ALONG: Compact and portable, these swimming ear stickers can be conveniently packed in luggage for travel, allowing children to enjoy beach or pool time safely.COMPLETE DESIGN: Each baby bath ear cover includes a cotton ball to help block water from entering further, while the clear disposable outer film covers the entire ear for added protection. Helps keep water out of the ear canal and is easy to spot in pool or bath settings.EASY TO USE: Remove the protective layer, place over the ear, fold any excess behind the ear, and press the adhesive side gently with your hand to ensure a secure and complete seal.