SSLR Men's Stainless Steel Frame Aviator Sunglasses memory-metal frame Composite lens polarized Lens width: 61 millimeters Lens height: 49 millimeters Bridge: 20 millimeters Arm: 130 millimeters The sizes refer to the width of one lens in millimeters. Polarized lenses eliminate glare and reduce eye fatigue. Anti-Glare. Protective case and exquisite packaging carton included. Classic aviator sunglasses with metal frame. Made In China.