Polarized Lenses To protect your eyes from harmful UVA and UVB rays, the lenses that are coated with 100% UV protection. Effectively reduce glare reflected of roads, bodies of water, snow and other horizontal surfaces. Durable & Sturdy Lightweight yet durable acetate frames that are foldable at the bridge and temple for easy and safe storage. The lenses are made from high-quality scratch resistant glass, precision-cut. High Quality Materials Polycarbonate + metal frame, polarized lenses, solid metal hinges, exquisite temples, all these details ensure long lasting wear and comfort, and keep their shape year after year! Eye-Friendly Polarized lenses help to eliminate glare that is reflected from the surfaces, less glare means better clarity and visibility. Also increase color saturation, causing environments to look more vivid. Versatile These folding sunglasses are stylish and convenient for easy use and come with a durable polyurethane leather case for safety storage. Its perfect for driving, sailing, fishing, biking, hiking, beach or everyday use. Specifications Frame: Polycarbonate Lens: Scratch resistant glass, UV Protection Coating coating Lens width: 50 millimeters Lens height: 45 millimeters Bridge: 22 millimeters Arm: 141 millimeters