Quality materials: these swimming headbands are made of elastic neoprene, they are durable, safe and non-toxic; The swimming ear bands can effectively protect your ears from water while you are swimming, enjoy some swimming exercises at ease Waterproof design for hearing protection: This swimming headband is designed with a protective layer for your ears when swimming, helps secure earplugs in place, prevents water from entering your ears and makes you more comfortable when swimming in water Protection: swimming headband adds a layer extra protection when swimming and helps keep earplugs in place. It can also be used for showering and bathing, so you don't have to suffer from ear inflammation Multiple uses: swimming headbands are suitable for swimming, surfing, kayaking and other activities nautical; they are practical accessories to carry to the swimming pool, to the lake or to the sea; Besides, they can also be applied to daily routine, like washing hair and bathing at home