This is an authentic ALEXANDER WANG Lambskin Marti Backpack in Washed Black with Rhodium Hardware. This stylish backpack is made of supple black lambskin leather. The shoulder bag features a detachable leather shoulder straps with matte black clasps, two external pockets with zippers on the side, a cross-over flap with straps, and an external center expansion zipper. This opens to a spacious black nylon fabric interior with a belt cinch strap closure and a zipper pocket. Follow this item for alerts. Alexander Wang is a registered trademark of Alexander Wang. FASHIONPHILE is not affiliated with Alexander Wang.