YSL Black Caviar Leather / Silver Top-tier Original Version, Boutique Exclusive WOC Small Envelope Bag Made from Original Factory Leather. When it comes to envelope bags, this one from Saint Laurent is a must-have! The entire bag is crafted from original factory caviar leather, featuring a three-dimensional shape and a comfortable texture. The detachable shoulder strap design enhances the bag's versatility; without the strap, it can be used as a clutch or evening bag. It includes multiple card slots, making it extremely practical. Just bring your phone and cards when you go out, and you're ready to conquer the world! Model: 393953 / 441974 Original Factory Leather Size: 19*11.5*4cm.