Super Light Weight/Comfortable/Fashionable With a product weight only 20g, you barely feel that you're wearing the glasses. It's super lightweight which leaves no pressing marks on your nose The glasses frame is made with durable TR90 material, and the frame design is an optimal outcome generated from dozens of facial form analysis Not only do the anti blue-ray glasses function well, it also looks stylish with a simple and versatile design Read more Multi-Layer Mirror Technology Source of Blue Light & Anti-Blue Light Test *The test area will appear purple marks after a period of exposure, which indicates blue light radiation. Blocking the left part of the test area with our anti-blue ray lens, and remain the right part exposed. After conducting the same illuminating procedure, the left part does not appear marks, which indicates the radiation is blocked. Product Specification - Color: Gloss Black / Matte Black - Size: 145*140*45mm - Weight: 20 g - Material: TR90/ PC - Lens material: Multilayer Anti-blue light lens - UV400 protection - Stylish design Key Features Multilayer anti blue-ray lens that blocks 95% of blue light & UV 400 Super light weight that gives you relaxing wearing experience Strong and durable frame makes it crack-free and bent-free Simple and stylish design that is an easy match to any outfits Read more Meet The Needs for Different Groups Office Worker For office workers who spend hours on sitting in front of digital screen, these anti-blue ray glasses is a must-have item that keeps you from eye strain, dry eyes and headache. Student Students should pay more attention on eye protection, especially their eyes are still developing. However, now students not only spend a lot of time on screens, they may study late as well. A pair of protective glasses does no harm but big support. Fashionable Item These glasses are not created only for people with sight problem, but for everyone. You can wear it as long as you want no matter indoor or outdoor. So we made it a fashionable accessory to be added to your wardrobe and easily match with any of your outfits. Read more Applicable to Multiple Occasions