【GREAT WATERPROOF】Specially designed soft and flexible slats for Human ear canal, excellent waterproof effect and high wearing comfort. 【Ultra Comfy & EASY-TO-WEAR】Made of super soft silicon, it is comfortable and easy to wear. 【ANTI-SLIDE - STAY IN WELL】Specific anti-slide design helps it stay in the ear and not easy to fall out. 【SAFE & REUSABLE】The utility model has Excellent flexibility, making it have no risk of parts falling into the ear canal. It is suitable for swimming pool, sea water, hot water and other water environment. It can be cleaned and reused. High temperature resistance to 200 Celsius degree. 【Fit for Kids and Adults】The ear plugs for swimming greatly suit the shape both of children's and adult's ears and greatly fit in the ears due to the good shape and flexibility allow to deeply penetrate into the ear. Lollanda Swimming Ear Plugs#Great Waterproof#Comfy Earplugs Prevent Swimmer's Ear#Durable Earplugs Step1:Remove from the box and pinch the end of the earplug. Step2:Gently pull the ear up,trying to let the earplug into the ear canal. Step3:Adjust the earplugs to the right position so that the entire earplug is pressed against your pinna. Step4:Don’t insert the end of the earplug into the ear canal.The earplug is marked”L” and”R”to prevent the wrong wearing. This swimming earplugs not only fit for kids, but also adults, which is a perfect family package.