FlePow Swim Goggles Swimming Goggles Swim Glasses with Anti-shatter, Anti-fog for Women and Men - Professional Goggles for Indoor and Open Water Swimming for Adults (Black) Silicone strap and eyecup with anticorrosion and anti-oxidation. Eco-friendly, Non-toxic, odourless, stable chemical property. Electric insulation material with excellent water resistance. Electric insulation material with excellent water resistance. Adjustable straps and nose piece help create a COMFORTABLE FIT AND WATERTIGHT SEAL.