YSL Saint Laurent Envelope Large Bag. YSL Saint Laurent Envelope Burgundy Matelassé Leather Satchel Rouge Legion, RARE style Authentic Saint Laurent burgundy satchel with classic chevron pattern on quilted leather, gold hardware, open pocket on the back, interior lined in black fabric with a zipped pocket. Featuring herringbone stitching, a snap button closure and a gold YSL plaque to the front. Discontinued style; rare Material: Leather Dimensions: Base length: 12.25 in Height: 8.5 in Width: 2.75 in Drop: 12 in Drop: 22 in