1.Adjustable and Flexible: the swim headband measures approx. 51 cm/ 20.1 inches in length, and 8 cm/ 3.1 inches wide, with good elasticity and self-adhesive design, which can be adjusted according to your needs, suitable for both kids and adults. 2.Breathable and Comfortable: our kids swimming headband is made of neoprene material, comfortable and breathable, hard to slip or fall off. Quick drying neoprene material that makes cleaning easy. It aslo floats, so you will never lose it in water. Bright colors help wearer get spotted more easily while swimming in a pool or open water 3.DESIGN: This swimming headband assists holding ear plugs in place during any kind of fun water activity. In addition, it helps keep earbuds in your ear so you can enjoy great music anywhere, keep ears warm during cold water and winter activities and keep hair off your face. 4.BETTER EAR PROTECTION: Helps prevent ruptured eardrums from falling in water while swimming, canoeing, surfing, kayaking, water skiing, wakeboarding or doing any other fun water activity. Use in combination with earplugs to block water from entering the ear canal. For ear tubes, perforated eardrums, myringotomy, myringotomy tubes. 5.Diverse Applicable Water Sports: these swim headbands for kids can be applied to a variety of water sports and events, such as swimming, surfing, canoeing, kayaking, bathing, water skiing and diving, bringing you a pleasant use experience.