1. Material: PC 2. Weight: about 65 grams 3. Suitable for the crowd: unisex 4. Lens type: HD 5. Metal hinge, smooth opening and closing, stable and durable 6. One-piece nose pads fit the bridge of the nose without leaving a red mark 7. Curved temples, ergonomic design, fit the ear mechanism, not easy to slip off 8. High-definition vision lens, effectively blocking glare/glare