This is an authentic ALEXANDER WANG Lambskin Mini Marti Backpack in Petrol with Rhodium Hardware. This stylish backpack is made of supple blue lambskin leather, and features detachable leather backpack straps with silver clasps, an optional blue 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 with 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.