Ray-Ban RB4256 New Gatsby I Sunglasses NA Imported Plastic frame Plastic lens Non-polarized Iridium 100% UV protection coating Lens width: 49 millimeters Lens height: 47.6 millimeters Bridge: 20 millimeters Arm: 150 millimeters Case included Lenses are prescription ready (rx-able) This is a stylish combination of modern and classic colors. With high brow detaining and top quality lenses. This is a stylish combination of modern and classic colors. With high brow detaining and top quality lenses.