describe:1. Anti-fog and wide field of vision. The lenses at each angle are carefully coated with the right amount of advanced anti-fog coating to keep the lenses out of moisture, giving you a clear vision and focused 180-degree peripheral vision when swimming underwater.2. Super soft silicone sealing ring. The silicone gasket is super soft and comfortable. Thanks to the double seal design, they create a perfect seal every time. They are located around the eyes to distribute pressure evenly and provide maximum comfort. They do not leave red marks around the eyes and nose for a few hours after swimming.3. The type of goggles is a gasket, which effectively disperses the pressure and is comfortable to wear. In addition, the frame has a curved design, which fits your eyes perfectly, avoids water leakage, keeps your eyes away from bacteria in the water, and keeps you healthy.4. The adjustable buckle is easy to use. The elastic band and soft silicone seal can be easily adjusted to ensure a comfortable fit that fits most face shapes. The straps are easy to adjust between sizes, and the quick-release buckles on the sides mean you can attach them in seconds without them getting tangled in your hair.