Whale MM-7400 Anti fog and leak-proof Swimming Goggles / Swim Mask Black 100% Liquid Silicone Strap and Gasket Swim Goggles-Mirrored for Man and Woman For Swimming pool&iexcl;&shy; Lens:PC Gasker:Silicone Strap:Silicone Frame:PC+TPR Colour: yellow and Black Strict anti fog function process flow is carried out to ensure that each swimming goggles with good Anti fog and leak-proof effect. Our swimming goggles is Curved lenses are adopted to make vision more widely, UV light filtration lens through the light wave filtration processing can effectively reflect harmful rays to ensure clear vision and protect your eyesight. With adoption With adoption of bionics memory silica gel, it differs from each person's faces, a comfortable and fit effect will be reached after repeated use. f bionics memory silica gel, it differs from each person's faces, a comfortable and fit effect will be reached after repeated use. High elastic stretching band of the swim goggles can enlarge wear stress area by adjusting buckle, which better improves the wearing comfort and reduced tight sense of your head.