Ray ban sunglasses. Series square 1971 classic. Series number: rb1971. Shape: square. Lens width: 54 mm. Lens height: 48 mm. Lens bridge: 19 mm. Arm length: 145 mm. 100% uv protection. Polarized. Frame material: metal. Lenses type: polarized blue/grey gradient. Rim style: full-rim. Ray ban square 1971 classic polarized blue/grey gradient unisex sunglasses rb1971 914778 54. Manufacturers packaging included. Packaging size and color may vary.