Ray-Ban CLUBMASTER Aluminum Square Sunglasses, Brushed Silver, 49mm Plastic Imported Metal frame Glasses lens Non-Polarized 100% UV protection coating Lens width: 49 millimeters Bridge: 21 millimeters Arm: 140 millimeters 2" high Case included Lenses are prescription ready (rx-able) durable aluminum metal;Clubmaster Aluminum; light weight