Find SAINT LAURENT Cassandre Croc-effect Leather Shoulder Bag on Editorialist. SAINT LAURENT's 'Cassandre' bag is crafted from glossy croc-effect leather. It features the iconic 'YSL' plaque and has a zipped compartment and slots inside to hold valuables and cards. The gold-tone chain strap is removable, so it can be carried as a clutch.