Optical swimming goggle 1,Tempered PC lens 2,Anti-Fog 3,100% Silicone soft gasket & strap 4,Various colors are avaible Cool silicone Swimming Glasses with adult &children sizesSpecificationssilicone anti-fog swimming goggles the best silicone material the excellent quality the stylish design the competitive price strap elastic silicone material,environmentally friendly lens PC material, UV ...