Ray Ban Sunglasses. Series Warren Bio Based. Series number - RB4396. Color code - 667787. Shape - Rectangular. Lens Width - 54 mm. Lens Bridge - 20 mm. Arm Length - 145 mm. 100% UV protection. Non-Polarized. Frame Material - Acetate. Frame Color - Polished Black. Lenses Type - Dark Grey. Rim Style - Full-Rim. UPC/EAN code - 8056262052150. Ray Ban Warren Bio Based Dark Grey Rectangular Unisex Sunglasses RB4396 667787 54.All Ray Ban Eyewear may include Case/Pouch and may include a polishing cloth. Case size and color may vary.