Ray Ban Sunglasses. Series Hexagonal Flat Lenses. Series number - RB3548N. Color code - 004/71. Size - 54. Shape - Geometric. Lens Width - 54 mm. Lens Bridge - 21 mm. Arm Length - 145 mm. 100% UV Protection. Non-Polarized. Frame Material - Stainless Steel. Frame Color - Gunmetal. Lenses Type - Grey Gradient. Rim Style - Full-Rim. UPC/EAN code - 8056597077354. Ray Ban Hexagonal Flat Lenses Grey Gradient Unisex Sunglasses RB3548N 004/71 54.All Ray Ban Eyewear may include Case/Pouch and may include a polishing cloth. Case size and color may vary.