This is an authentic PROENZA SCHOULER Nylon Calfskin Medium PS1 Satchel in Black. This stylish satchel is beautifully crafted of black nylon. The bag features a reinforced leather top handle, an optional adjustable nylon shoulder strap with calfskin leather front belts, and a polished silver switch lock. This opens the front flap to beige and black diagonally striped fabric interior with zipper and patch pockets. Follow this item for alerts. Proenza Schouler is a registered trademark of Proenza Schouler. FASHIONPHILE is not affiliated with Proenza Schouler.