Frames are made from acetate, a plant-based material derived from wood pulp and cotton, making it stronger and more durable than standard plastic Polarized lenses with UV400 protection are designed to block 99% of reflected light and 100% of UV light CR-39 lenses are durable, scratch resistant, and provide maximum visibility Shape: round Includes a protective hard case, a microfiber fabric pouch, and a cleaning cloth Frame Measurements: Eye 48mm, Bridge 22mm, Temple 145mm Hinge to Hinge Measurement:128mm Intended fit: Standard