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. Material: The high-quality material makes the whole frame lightweight and does not compress the nose durable unique and comfortable to wear giving you a good visual comfort experience. Comfortable to wear all day. Ergonomic Construction: Flattering lines create aesthetically pleasing frame appearance and ergonomic construction provides the best wear feeling and all-day comfort. Trendy Glasses: Classic and artistic frame and pretty color design lets you look so fashion. Not only provide more protection for your eyes also let you look much more fashionable. Customer Service: If you meet 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:TR90 Glasses Total Width:137mm Glasses Leg Length: 147mm Mirror Height:57mm Single Lens Width:50mm Nasal Spur:18mm Weight:23.2g 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 "