1 Ear waterproof: This swimming headband adds an extra layer of protection to your ears while swimming, helps keep the earbuds in the correct position, prevents water from entering your ears, and makes you more comfortable when swimming in water Comfortable.2 Durable material: These swimming ear straps are made of elastic neoprene; durable, safe, non-toxic, and can effectively prevent water from entering the ears; they are also safe for children, and you can share with your family and friends.3 Suitable size: Swimming ear headband size is approx. 61cm/24" long and 10.5cm/1" wide; with adjustable hook and loop closure for extra grip, adjust the size of the headband to your head circumference, avoid falling off your head, soft and comfortable to wear.4 Sports sweatband: not only used in wading sports, the headband can also be used as a sports antiperspirant headband to prevent sweat from flowing into the eyes and affecting vision, such as running, fitness, cycling, dance, foot basket row Exercise, yoga, etc.5 Wide applications: swimming hairbands are suitable for water activities such as swimming, surfing, kayaking; they are a good accessory for swimming pools, lakeside or seaside trips, etc., and can also be used in daily activities such as washing hair and bathing at home, Or running, yoga, etc.