chanel Medium Model 5517 25SS Runway Backpack in Black and Gold. The dynamic shoulder strap design is truly amazing. The front of the bag features a simple yet elegant large diamond pattern, complemented by dual metal chains and double C adjustment buckles that infuse the overall design with soul. Made of soft and delicate calfskin, the bag is easy to maintain. The adjustable shoulder strap allows for various DIY carrying options: it can be worn as a hobo bag under the arm, as a backpack, a shoulder bag, or simply handheld. The overall look is incredibly cool and stylish, versatile enough to be sweet or edgy