Ray-Ban RB3183 Sunglasses 63 mm Metal Imported Metal frame Synthetic lens Non-Polarized 100% UV400 protection coating Lens width: 63 millimeters Lens height: 33 millimeters Bridge: 15 millimeters Arm: 125 millimeters 2" high Every model in the Ray-Ban collection is the product of meticulous, original styling that translates the best of the latest fashion trends into an ever-contemporary look for millions of Ray-Ban wearers around the world. Ray-Ban products sold by authorized sellers, like Amazon.com, are eligible for all manufacturer warranties and guarantees. Protective case included, cases come in a variety of colors. Lenses are prescription-ready (Rx-able). Ray-Ban products include an etched "RB" on the left lens. The RB is not a scratch or defect. Lens: 63mm, Bridge: 15mm, Arm: 125mm