Protects your eyes from harmful UV rays. Allows you to see more clearly and provides noticeable stereoscopic vision. Ideal for indoor, outdoor and night swimming. Hypoallergenic, soft and durable, suitable for different face shapes, comfortable to wear; Self-adjusting TPR nose piece, comfortable to wear without hurting the bridge of the nose; Non-slip dual straps to reduce the force on the head and increase comfort. Protection Three-dimensional silicone gaskets (made of safe and non-allergenic silicone) provide comfortable cushioning and a perfect waterproof seal. Chlorine or salt water penetration will not cause pain. No leaks to worry about and no raccoon eyes. Impact-resistant PC lenses utilize the latest in eco-friendly anti-fog chemical technology to provide you with 180 of unrestricted, clear, comfortable vision without distortion. The streamlined design improves smoothness while swimming. Safety glass technology also protects the lenses from dropping and shattering. Premium microfiber cleaning cloth helps clean smudges, dust and fingerprints from the lens surface. If you have any dissatisfaction or problem with the product, please feel free to contact us for a solution.