This is an authentic ALEXANDER WANG Lambskin Marti Backpack Bag in Washed Black with Rhodium Hardware. This stylish backpack is made of supple black lambskin leather. The shoulder bag features a leather shoulder strap, detachable leather shoulder straps with polished silver 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 zipper pocket. Follow this item for alerts. Alexander Wang is a registered trademark of Alexander Wang. FASHIONPHILE is not affiliated with Alexander Wang.