This is an authentic PROENZA SCHOULER Lambskin Medium PS1 Satchel in Midnight. This medium sized satchel is crafted of lambskin leather in navy blue. The bag features a handle, an optional, adjustable shoulder strap, gold hardware, an exterior pocket, and a flap with belts and a tab closure. Follow this item for alerts. Proenza Schouler is a registered trademark of Proenza Schouler. FASHIONPHILE is not affiliated with Proenza Schouler.