This is an authentic MARC JACOBS Grained Calfskin Medium The Sack Bag in True Red. This chic shoulder bag is crafted of grained calfskin leather in red. The bag features an incorporated shoulder strap and a magnetic top that opens to a red leather interior with card slots and a removable zippered red fabric pouch. Follow this item for alerts. Marc Jacobs is a registered trademark of Marc Jacobs. FASHIONPHILE is not affiliated with Marc Jacobs.