Quies Children's Silicone Swimming Ear Plugs Quies Children's Silicone Swimming Ear Plugs are ideal for children with ear tubes or sensitive ears. The earplugs are reusable & water-tight, as well as being soft & highly malleable to help them conform to the unique shape of your ear canal & stay firmly in place. As well as being useful whilst swimming, Quies Silicone Earplugs can also be used to protect your ears from dust, cold, & noise, without cutting you off from the world.