Ray Ban Sunglasses. Series Square 1971 Classic. Series number - RB1971. Color code - 914751. Size - 54. Shape - Square. Lens Width - 54 mm. Lens Height - 48 mm. Lens Bridge - 19 mm. Arm Length - 145 mm. 100% UV Protection. Non-Polarized. Frame Material - Metal. Frame Color - Gold. Lenses Type - Light Brown Gradient. Rim Style - Full-Rim. UPC/EAN code - 8056597054010. Ray Ban Square 1971 Classic Light Brown Gradient Square Unisex Sunglasses RB1971 914751 54.All Ray Ban Eyewear may include Case/Pouch and may include a polishing cloth. Case size and color may vary.