1. High-quality plating, good uv-proof, These goggles are suitable for adults and children over 12 years old----Our Swimming goggles are made of high quality platingnot only good uv-proof, but also increase wear resistance and prolong the using life of the swimming goggles 2. Polarized lenses, anti-glare, reduce visual fatigue---- water surface reflection will form glare, glare will cause visual fatigue, unclear vision and discomfort. Our goggles use polarized lenses to eliminate glare, giving you a more comfortable swimming experience, clearer and more natural vision, and reduce visual fatigue. 3. Anti-fogleakproof----The lens has an effective anti-fog coating, which makes the vision clearer. 3D high quality sealed large frame, leakproof,not only fits the eyes better ,avoids dark circles, but also can give you a wide vision of 180 degrees. 4. Silicone non-slip strap, comfortable to wear----The goggles strap is made of high quality silicone and is very soft. The strap has anti-slip particles to keep the position of the goggles fixed let you have a better swimming experience.not only for swimming, but also for water sports such as surfing and kayaking.