This is an authentic 3.1 PHILLIP LIM Cowhide 31 Hour Backpack in Pumice. This stylish backpack is crafted of smooth full grained leather in a olive green. The bag features leather shoulder straps with black coated brass buckles and links, with facing front zipper pocket with a top strap. This opens to a black interior with a zipper patch pocket room for all of your everyday essentials with the forward fashion of Phillip Lim! Follow this item for alerts. 3.1 Phillip Lim is a registered trademark of 3.1 Phillip Lim. FASHIONPHILE is not affiliated with 3.1 Phillip Lim.