Anti Theft Marshmallow Backpack Luminous Travel Backpack with USB Charging Port, Unisex College Bookbag Laptop BackpackLooking for the right gift for your loved one? Guess what! This is what DJ Rock Fans really want! Material: made of water resistant oxford material, light weight, breathable and easy to clean. Look at the difference between day and night in the picture, you will find that even in the night you can be the focus. With built in USB charger outside, this backpack offers you a more convenient way to charge your phone while walking. Adjustable shoulder