Features: Blue Light Blocking: Our glasses can effectively block mobile phone computer LED blue lights which will cause sore swollen itchy eyes dry eyes easy fatigue decreased vision and eye damage. Premium Quality: The glasses are made of PC AC and metal material the lens has an easy-to-clean film and an anti-blue light coating which can effectively protect against UV rays and harmful blue-violet light. The reinforced and hard reflective layer can effectively convert harmful blue light into beneficial light. Ergonomic Construction: Flattering lines create aesthetically pleasing frame appearance and ergonomic construction provides the best wear feeling and all-day comfort. Fashionable Glasses: Classic and artistic frame and pretty color design lets you look so beautiful. Not only provide more protection for your eyes also let you look much more fashionable. After Sale Customer Service: If you have any problems about our products please feel free to contact us we are ready to help. We will solve your problems as soon as possible. Specification: Material: PC+AC+metal Glasses Total Width:143mm Glasses Leg Length: 145mm Mirror Height: 51mm Single Lens Width:55mm Nasal Spur:20mm Weight:18g Notice: 1. Due to different monitors and lighting effects the actual color may be slightly different from the image. 2. Due to manual measurement please allow 1-3mm deviation. includes: 1*glasses "