Protects your eyes from UV damage. Allows you to see more clearly and provides a visible three-dimensional effect. Provides a clear view. Ideal for indoor, outdoor and night swimming. [All silicone frame, PVC free]: low toxicity, flexible and durable, adapts to different face shapes, extremely comfortable; TPR nose bridge, adjustable, provides a comfortable and painless fit; double anti-slip straps reduce head pressure and increase comfort. [Superior waterproof protection, no leaks]: 3D silicone seal (made of non-toxic, allergen-free silicone) provides comfortable cushioning and a perfect seal when in contact with the eyes. Depending on the water, it will not be attacked by chlorine or salt. No leaks or stains. [Anti-fog curved lens and streamlined design]: The anti-shock PC lens is made of anti-fog, environmentally friendly and durable technical material, providing you with a clear and comfortable full 180 view without distortion. Contoured design for smoother swimming. Lens protection technology prevents the lens from dropping and breaking.