Silicone Prescription Swimming Goggles For Adults,Easy To Adjust Snap Button - Anti Fog and Ultra-clear Lenses-Adjustable Nose Bridge - Ear Plugs & Hard Carrying Case Included 100% silicone material soft and comfortable, tight seal to keep water out Highly elastic strap, with easy to adjust snap button Stylish and modern design 100% polycarbonate lenses, ultra-clear and wide lenses gives you great sight under the water Choose plano lenses or prescription lenses in strengths of -150 to -800 and without prescriptions;