Metel frame PC lens Non-Polarized UV Protection Coating coating Bridge: 18 millimeters Color:Black gray Light weight acetate Frame is Durable and Flattering, more comfortable and user-friendly. Superb sunglasses hinges, One-piece Nose pads, reducing the pressure on the nose Product Measurements - Lens Width: 57mm, Frame Height: 45mm, Nose Pads Width: 18mm, Frame total width: 141, Temple Length: 148mm. [Manual measurement, there may be 1-3 mm deviation] UV400 PROTECTION - Lens block 100% of UVB and UVA rays.UV 400 indicates an eye protection item that has been optimized to prevent eye exposure to both UVA and UVB radiation ADAPT to ALL OCCASIONS -- such as walking, driving, shopping, taking photos, and is suitable as high fashion accessory and daily wear all year round. It is also gift ready, making it a wonderful yet practical gift idea for friends and Family