YSL Bright Red/Gold Top Quality Original Single, Boutique Exclusive New Color WOC Small Envelope Bag Original Factory Leather Version. When it comes to envelope bags, this one from Saint Laurent is a must-have! The entire bag is made from original factory caviar cowhide, featuring a three-dimensional shape and a comfortable feel. The detachable shoulder strap design enhances the bag's versatility; without the strap, it can be used as a clutch or evening bag. It has multiple card slots inside, making it extremely practical. Perfect for carrying your phone and cards when you