We use the soft high quality PU leather with heavy duty zipper hardware for this bag, soft, comfortable, safe, fashionable and durable, odorless and high-end. When you touch the bag, the lining is durable and smooth, not easy to wear or tear. You can carry it as a single-shoulder bag or backpack as there is a removable short shoulder strap,which can satisfy your own needs in different occasions. Modern fashion style combined with cute bowknot design, earphone hole design makes it easy to enjoy music anytime, anywhere. Colors vary with light change.