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