Features: Useful Glasses: Our glasses can effectively block mobile phone computer LED blue lights which will causesore swollen itchy eyes dry eyes easy fatigue decreased vision and eye damage. Premium Quality: The glasses are made of PC and TR material the lenshas 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. Comfy Frame: Flattering lines create aesthetically pleasing frame appearance and ergonomic construction provides wonderful wear feeling and all-day comfort. Trendy 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. Customer Service: If you confront 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 TR Glasses Width: 144 mm Temple Length: 144 mm Height: 40 mm Single Lens Width: 50 mm Nose Bridge: 20 mm Weight: 31 g Notes: 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 1-4 mm deviation. includes: 1Glasses "