Frames are made of stainless steelPolarized lenses with UV400 protection are designed to block 99% of reflected light and 100% of UV lightCR-39 lenses are durable, scratch resistant, and provide maximum visibilityFeatures adjustable nose-pads that can be shaped to fit your face and prevent slippingShape: rectangular aviatorIncludes a protective hard case, a microfiber fabric pouch, and a cleaning clothOrigin: Shenzhen, China Baja Polarized Stainless Steel Sunglasses