Product details: The product is made of polycarbonate lenses and silicone, and the lens size is 5.5*3.8cm. Comfortable and adjustable: swimming goggles have a large outline, three-dimensional 3D fit to the skin , suitable for different face shapes, strong adsorption, elastic swimming goggle strap, durable for the head, easy to adjust, suitable for different size head circumferences. Large field of view: 170 high-definition panorama, offers you a clear Underwater vision, equipped with polycarbonate lenses, shatterproof, scratch-resistant, UV-resistant and fully protects your eyes. Fog-proof and leak-proof: The swimming goggles are equipped with adjustable, double-layer swimming goggle straps, which are very stable even during strenuous exercise , and the lenses have a non-slip anti-fog coating that greatly improves the hydrophobic performance of the product. The sealing ring is made of high quality silicone, which is waterproof and comfortable, shock absorption and pressure resistance, strong adsorption, and tight and leak-proof. Suitable range: Swimming goggles are specially designed for those who want beautiful and comfortable products that suitable for people with swimming needs such as men, women, adults and children, and can be used in various water sports. Comes with a protective case for your convenience.