This is an authentic PROENZA SCHOULER Calfskin Large Courier Black. This chic messenger bag is crafted of luxuriously textured calfskin leather. The bag features an adjustable cross-body leather strap with silver hardware and a facing flap with a signature silver switch lock. This opens to a leather interior with multiple pockets and space for essentials for all of your everyday wear with the forward fashion from Proenza Schouler! Follow this item for alerts. Proenza Schouler is a registered trademark of Proenza Schouler. FASHIONPHILE is not affiliated with Proenza Schouler.