Lobeve 2 Piece Day+Night Vision Polarized Glasses Clip-on Sunglasses polarized Bridge: 0.55 inches Day+Night Combination to take care of your eyes and your safty every moment All of our lenses block 100% of UVA, UVB and UVC rays, and harmful blue light to 400nm. These harmful rays are a leading cause of cataracts, skin cancer and wrinkles around the eyes-all great reasons to block them out. Our clip-on frames are made from lightweight, bendable TR90 nylon material with rubberized clip ends that will not scratch or damage your prescription frames while attached. Clip-on flip hinges allow the wearer to see without manually removing the clip on. Lifetime Breakage Warranty on Frame & Lens and 30 Day Money Back Guarantee Ideal For Usage By Motorcycle And Cycling Bicycle, Driving, Running, Fishing,Racing, Skiing and Climbing, Trekking Or Other Outdoor Activities Enthusiasts