Ray Ban Sunglasses. Series Square II. Series number - RB1973. Color code - 128151. Shape - Square. Lens Width - 53 mm. Lens Height - 47 mm. Lens Bridge - 20 mm. Arm Length - 140 mm. 100% UV protection. Non-Polarized. Frame Material - Acetate. Frame Color - Transparent Brown/Brown Havana. Lenses Type - Light Brown Gradient. Rim Style - Full-Rim. UPC/EAN code - 8056597121903. Ray Ban Square II Light Brown Gradient Unisex Sunglasses RB1973 128151 53.All Ray Ban Eyewear may include Case/Pouch and may include a polishing cloth. Case size and color may vary.