MIREN Swimming Goggles,UV Protection,Shatterproof,Anti fogging,No water Leak,No Slippage,Comfortable,Fit for Unisex Adults Excellent Lenses-Highest quality:The lenses are made from durable,shatterproof polycarbonate(PC) which can protect against scratches.Inner lens coated with an anti-fog layer to prevent the steam from filling with your lens.Outer lens is mirrored to provide the 100% U.V. Protection for your eyes. The reflective surface reduces glare from the sun and bright lights to a minimum. broad angled vision for the greater visibility. Comfortable EYE GASKET-Non- allergenic,soft premium silicone material and watertight seal design make you have a good swimming time. The silicone gasket is so soft and pliable that can fit most shapes of eye sockets. Your eyes won't feel the pressure and you won't worry about water leak any more. Adjustable Strap-The strap is also made from premium silicone. The excellent adjustment function can adjust the length of your strap depending on your need,bring you a comfortable experience.Definitely, your swimming goggles won't slip any more. The buckle is easy to put on and take off :Just hang and loose the hooks in the back. FREE GOGGLE CASE - We provide a good "partner"of the swimming goggles to you.It can protect your swimming goggles against any hurt to keep you enjoying a longer swimming time with your lovely swimming goggles. After using,please wash it gently just with fresh water and do not wipe or rub, store carefully to avoid scratching.So that our swimming goggles can provide a longer working life to you.