Zoggs Silicone Reusable Ear Plugs for Swimming And Watersports, Clear, Pack of 4Mould the shape of each plug to fit the outer ear only for an ultra comfortable watertight fit when swimming Set includes four soft pliable silicone putty earplugs per pack and a handy travel carry case Washable and reusable earplugs, simply wash in clean cold water after every use and store in case, replace plugs when they lose tackiness or will not reform into a ball shape Can be worn by children and adults, use by children should be carefully