R-B Unisex's Round Mirror Polycarbonate Sunglasses Al-Mg frame TAC lens polarized Lens width: 50 millimeters Lens height: 50 millimeters Bridge: 16 millimeters Arm: 130 millimeters LIFETIME BREAKAGE WARRANTY ON FRAME &LENS-All R-B Sunglasses is backed by a lifetime warranty. It does notmatter whether you come across an unforeseen obstacle, miscalculate a turn on a trail, Whatever the reason, you can have Lifetime Breakage Warranty on Frame & Lens GOOD LOOK, SUPERLIGHT, STYLISH, DURABLE AND CLEAR- Flattering lines & design features create aesthetically pleasing appearance. Lightweight design is ideal for motorcycle and cycling bicycle, driving, running, fishing, racing, skiing, climbing, trekking or other outdoor activities. Fashion and stylish design, with rich color combinations of frames and lens. Polycarbonate lens and frames are impact, scratch resistant and durable. Rimless jacket frame design enables clear lower vision field. HIGH QUALITY ASH GREY FRAME - metal alloy frame with sturdy aluminum legs that are ultra-lightweight yet strong and durable. It comes with spring loaded hinged legs and adjustable silicon nose pads which allows for maximum comfort and flexibility. UV 400 PROTECTION -100% UV400 protection coating, blocks 100% harmful UVA & UVB Rays. Polarized sunglasses reduce glare reflected off of roads, bodies of water, snow, and other horizontal surfaces. Restore true color, eliminate reflected light and scattered light and protect eyes perfectly. Polarized sunglasses cut glare and haze so your eyes are more comfortable and you can see better. 100% RISK FREE PURCHASE - All R-B Sunglasses comes with a 1 year warranty on frames and lens as well as a 30 Day Money Back Guarantee when purchased from the Exclusive authorized seller on Amazon: "jassu". So if you are not completely happy with your purchase for whatever reason, let us know and we'll take care of you.