Ray Ban Sunglasses. Series number: RB4428. Color code: 601S48. Shape: Square. Lens Width: 56 mm. Lens Bridge: 21 mm. Arm Length: 145 mm. 100% UV protection. Polarized. Frame Material: Propionate. Frame Color: Matte Black. Lenses Type: Polarized Black. Rim Style: Full-Rim. UPC/EAN code: 8056597939164. Ray Ban Polarized Black Square Unisex Sunglasses RB4428 601S48 56.<br/><br/>All Ray Ban Eyewear may include Case/Pouch and may include a polishing cloth. Case size and color may vary.