Ray Ban Sunglasses. Series Transitions. Series number - RB2180. Color code - 601/MF. Shape - Round. Lens Width - 49 mm. Lens Bridge - 21 mm. Arm Length - 145 mm. 100% UV protection. Non-Polarized. Frame Material - Propionate. Frame Color - Polished Black. Lenses Type - Clear/Blue. Rim Style - Full-Rim. UPC/EAN code - 8056597794787. Ray Ban Transitions Clear/Blue Round Unisex Sunglasses RB2180 601/MF 49.All Ray Ban Eyewear may include Case/Pouch and may include a polishing cloth. Case size and color may vary.