Blue Light Glasses Blue Light Blocking & UV400 Protection: Yekepal blue light blocking glasses effectively filter harmful blue light (tested by Bureau Veritas, 86.6% filtration rate in 380-500nm range) when using computer, phone, watching TV, reading, and tablet devices under bright lights and computer screens. The glasses also have UV400 protection that helps protect your eyes from harmful rays. Perfect for anyone spending extended time on screens Indispensable: if you are playing games or working a long time with any type of screen, or watching television, or using cell phones and using Kindle app on Amazon tablet. Designed for anyone who spends extended time in front of digital screens in contemporary life Essential: If you play games or work for a long time on any type of screen, or watch TV, or use your phone on the Amazon tablet and use the Kindle app. It is specifically designed for people who spend a lot of time in front of digital screens in today's modern life Dimension And Package including: Lens Width: 52mm(2.05in), Lens Height: 42mm(1.65in), Temple Length: 140mm(5.51in), Nose Bridge: 14mm(0.55in), Frame Width: 140mm(5.51in) Comes with complete accessories: 2 cleaning cloth, a portable eyeglass case(shared), 2 blue light test strip, 2 anti-blue ray test light, and 2 mini 2-sided screwdriver Contact Us: If you are not satisfied with your purchase, or if you have experienced any problems with the product that we sent, please contact us and we will do our best to resolve any problems ASIN B0C6Q8PZ8Y size 1 Brand Yekepal Color Black + Clear Pattern Solid Fit Type Universal Material TR90 nylon, polycarbonate Arm Length 5.5 Inches Frame Type Full Rim Item Shape Oval Lens Width 1.5 Inches Style Name Fashion Unit Count 2 Count Item Weight 0.07 Kilograms Lens Height 42 Millimeters Bridge Width 1.2 Inches Style Number LG-05 Frame Material Plastic Item Type Name Reading Glasses Target Audience adults Special Features Anti-Glare, Lightweight, UV Protection Lens Material Type Plastic Frame Material Type Plastic Included Components Test Strip, Anti-Blue Ray Light, Mini 2 Sided Screwdriver, Cleaning Cloth Garment Size Country United States Age Range Description Adult Apparel Fabric Stretch No Stretch Product Care Instructions Clean the lenses with water or alcohol prep pad and wipe them with the included soft cleaning cloth. Avoid using other chemicals. Do not maintain the glasses in high-temperature or long-damp environments. Apparel Fabric Weight Class Lightweight