SAINT LAURENT Monogram Chain Wallet NWOT This is an authentic SAINT LAURENT Grain De Poudre Matelasse Chevron Monogram Monochrome Chain Wallet in Black. This elegant wallet on a chain is crafted of finely pebbled black leather with chevron quilting. The shoulder bag features black hardware, including a removable, chain strap and a classic YSL emblem on the front. The flap opens to a black leather interior with card slots, a zipper compartment, and patch pockets.