❤ [Photochromic +Anti-blue Light Resin Lense ]: Professional HD Clear and Yellowish lenses coated with Blue Anti-blue REVO which are design for strong light compensation and protection of UV 400. Block of %35 harmful blue light ,long-time wearing wont produce fatigue. ❤ [ Ultra-light Alloy Frame ]: 0.8 oz on average , Their polygon frame and design feels like you aren't wearing glasses at all! And soft rubber nose pad let your nose feel comfortable ❤ [ Spring Hinge Design ]: Spring loaded hinge for flexibility and comfortable Double reinforcement is not easy to dislocation with Acetate tip ❤ [ What will you get ]: 1x Photochromic + Anti-blue light glasses, 1x glasses Cloth, 1x Gift leather case , 1x package box and 1-year quality gurantee.