This is an SAINT LAURENT Grain De Poudre Matelasse Chevron Monogram Envelope Chain Wallet in Black. This wallet on a chain is crafted of finely pebbled chevron-quilted leather in black. It features a removable waist-length gold chain shoulder strap with a shoulder pad and a gold classic YSL emblem on the flap. This opens to a black leather interior with slots, a zipper compartment, and pockets.