Features: 1. High penetration rate, anti-fog, good impact resistance, easy to carry. 2. Comfortable and safe nose support: nose support can accommodate different nose types, reduce the burden of the nose, without causing damage to the skin. 3. Alloy full frame design: carefully designed, translucent color, the use of IP vacuum plating process bright colors, material stability, can be assured to wear. 4. Metal chain decoration, fashionable and elegant.