REIZ M301-SL-600 Waterproof Antifog Coating Myopia Eyewear Goggles Swimming Glasses 600 Degrees - Silver Suitable for use in myopia is about 600 degrees,Comes with premium goggles case and earplugs. Goggles is leakage-proof but doesn't leave a line and add excess pressure to maintain a good seal. COMFORTABLE: Flexible silicone frame and gasket provides maximum comfort and goggle's larger clear lens and quality sealing surface makes you feel comfortable. SHATTER PROOF: Polycarbonate lenses stay strong even in the toughest conditions. EFFECTIVE: UV protection and anti-fog coating enhances your swimming experience. Well-designed clasp make it easy to put swimming goggles on and off. EASY TO PUT ON AND TAKE OFF: The straps have a buckle that makes putting on and taking off a breeze and without pulling hair.