This is an authentic PROENZA SCHOULER Nylon Calfskin PS1 Pouch Messenger in Black. This stylish small messenger bag is crafted from black nylon with calfskin leather straps. This bag features the signature Proenza Schouler exterior of belts, a long adjustable fabric crossbody strap, and a silver switch lock for the front flap. This opens to a beige fabric interior with a zipper pocket. Follow this item for alerts. Proenza Schouler is a registered trademark of Proenza Schouler. FASHIONPHILE is not affiliated with Proenza Schouler.