Looking for a cool and functional backpack? Check out our Luminous Shark USB Function Backpack, perfect for anyone who loves unique designs and practical features. Crafted from durable canvas material , this backpack is waterproof , breathable, wear-resistant, lightening, and shockproof . It has a  medium size , providing enough space to store your essentials. The inner structure of the bag includes a cell phone pocket, laminated zipper bag, zipper pocket, and computer pocket.  The backpack features a square vertical section shape and a plain pattern, making it suitable for both men and women. The backpack has double root straps , and the lifting part is comfortable to hold. It also has an outer bag-type inner patch pocket and popular car suture elements. The backpack has a zipper opening method and is designed with a USB function, allowing you to charge your electronic devices on the go. Plus, the backpack has a luminous shark design that adds a unique touch to your style, making it perfect for travel commemoration and gift-giving occasions. Overall, this backpack is perfect for anyone who wants a combination of style and functionality. It is also a great gift idea for friends and family who love to travel.