OTOO Kids Swim Goggles,Anti-fog Clear Lens,Adjustable Strap with Swimming Ear Plugs and Nose Clip for Junior,Child ages 6 to 12. polyester SILICONE GEL SEAL:100% Waterproof. PC CLEAR LENS:99.9% Anti UV,Anti-fog. ADJUSTABLE STRAP:Silicone gel very soft and Comfortable,Non-slip. ADJUSTABLE BUCKLE:Easy to Adjust,Ear Plugs and Nose Clip included. GOGGLE CASE:Great protective case included to carry safely without scratching.