This is an authentic MARC JACOBS Denim Medium The Sack Bag in Punk Indigo. This chic shoulder bag is beautifully crafted of denim with a distressed detail. This bag features a looping shoulder strap and an embossed logo print on the front and opens to a spacious black canvas interior with a leather patch pocket and a removable zipper pouch. Follow this item for alerts. Marc Jacobs is a registered trademark of Marc Jacobs. FASHIONPHILE is not affiliated with Marc Jacobs.