Product information: product name: electroplated large frame swimming goggles Material: liquid silicone, polycarbonate The advantages of men's and women's wide frame swimming goggles: wide field of view, clear water, 20% larger than ordinary swimming goggles HD glasses and fashionable: the glasses are made of high-quality silicone and PC material, harmless to the human body Anti-fog and waterproof HD leak-proof design. ● Ergonomic 3D design for perfect fit with eye sockets. ● Double-surface sealing design is a perfect solution for water leakage. ● Great suction is soft and comfortable on the eyes and does not leak. The soft and thick silicone ring forms a leak-proof seal around your eyes - no pain or dark circles. Very comfortable to wear all day! Tips to prevent fogging: all of our glasses lenses are covered with anti-fog coating. By following these steps you can make the anti-fog coating last longer: ●Always remember to rinse the inner lenses until the coating works. Put the goggles in the pool water for a while before swimming. ● Do not wipe the lens. ● After swimming, wash the lens with fresh water and then let it dry. UV Protection The lenses of the swimming goggles have an anti-UV coating, which can effectively prevent the damage caused by ultraviolet rays to the human body when swimming outdoors. Anti-fog The inner surface of the glasses has an anti-fog coating to give you a clear view underwater. Please be careful not to touch the lens with your hand