Glassesshop Retro Optical-Quality RX-Able Eyeglasses Rectangle Eyewear Frame-Tortoise Plastic frame Resin lens None Lens width: 53 millimeters Arm: 138 millimeters Rx-Compatible: Durable made allow the user to replace stock lenses with prescription lenses from his or her optician Made From High Quality material which is light weight and durable. Spring hinge on the arms provides flexibility and comfort size: Lens width:53mm Lens height:37mm Bridge:16mm Arm:142mm Total width:138mm Free Hard 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.