Glassesshop Polarized Sports Sunglasses with Tr90 Superlight Frame-Black Polarized lens, TR-90 matterial are lightweight and comfortable Made from TR-90 material and ploarized lenses size: Lens width:71mm Lens height:41mm Bridge:14mm Arm:120mm Total width:145mm Free Carrying Case Included with micro fiber cleaning cloth to help protect your glasses from dirt, fingerprints and from breaking 30 DAY MONEY BACK GUARANTEE- All Glassesshop customers enjoy 30 Day Money Back Guarantee. Customers can return and get refunded in case the purchasing is not satisfactory for any reason. You have no risk to try.