Silicone Swimming Earplugs,Swimming Ear Plugs Comfortable, Waterproof,Reusable Silicone Ear Plugs for Swimming Ear Plugs Swimming Showering Case for Swimming, Surfing 6 PairsPackage: 6 double in one, blue, 6 boxes Size: ear plugs: 3x1.3cm. Scope of application: It can be used from teenagers to tens of years old! Self study is available, sleep is av..