This is an CHANEL Metallic Grained Calfskin Quilted Large Casual Rock Backpack in Charcoal. This backpack is crafted of metallic caviar leather in grey. It features a structured diamond-quilted front external pocket with zipper closure, two side zipper pockets, and leather threaded ruthenium chain-link shoulder straps. The magnet closure opens the flap to a grey fabric and leather interior.