Protect your eyes from UV rays. Let you see more clearly and provide obvious stereoscopic effect. Provides crystal clear vision. Great for indoor, outdoor and night swimming.Full Silicone Frame, PVC Free: Low-toxicity, flexible and durable, adapt to different face shapes, extremely comfortable; TPR nose bridge, adjustable, provide a comfortable and painless wearing for the nose bridge; double anti-slip straps can reduce head pressure and Increase comfort.SUPERIOR WATERPROOF PROTECTION WITH NO LEAK: 3D silicone seal (made of non-toxic, allergen-free silicone) provides comfortable cushioning and a perfect seal when in contact with eyes. Depending on the water, it will not be attacked by chlorine or salt. No leaks or smudges.Anti-Fog Curved Lens and Streamlined Design: The shock-proof PC lens adopts anti-fog and eco-friendly durable technical materials to provide you with a clear and comfortable 180 full field of view without distortion. Contoured design promotes smoother swimming. Lens protection technology prevents lenses from falling and breaking.Bonus & Money Back Guarantee: 1 (15*15) high quality microfiber cleaning cloth can help you clean smudges, dust or fingerprints from the lens surface. If you have any questions about the product, please feel free to contact us for a solution."all Products From Us Have Undergone Strict Quality Checks. if There Is Any Quality Problem Or You Are Not Satisfied With The Product contact Us. we Will Give You The Best Solution.