1、With this blue light blocking glasses, it can reduce possible eye damage caused by blue light when playing games and watching videos, anti 4-400nm rays and glar-e reduction, protect your eyes. 2、Lightweight and flexible frame material for durability and comfortable wearing. 3、Integrated nose rest, delicate and light, fit your face, comfortable to wear. Features: With this blue light blocking glasses, it can reduce possible eye damage caused by blue light when playing games and watching videos, anti 4-400nm rays and glar-e reduction, protect your eyes. Lightweight and flexible frame material for durability and comfortable wearing. Integrated nose rest, delicate and light, fit your face, comfortable to wear. Lens color changed with the of sunlight, clearer view in indoor and outdoors Simple frame design, nice quality, three-dimensional frame. Reduce eyestrain, no worry about eye fatigue. Specification: Type: Anti Blue-ray Glasses Material: PC+metal Color: Black, Gold, Silver, Rose Gold, Gun-Metal(optional) Total width: 139mm Lens height: 40mm Lens width: 60mm Nose-bridge length: 18mm Leg length: 148mm Package size: 170*70*60mm/6.69*2.76*2.36in Package weight: 30g/1.06oz Packing list: 1*Glasses 1*Glasses