Bag size: 30cm long, 15cm wide, 47cm high Dinosaur themed design: This new Jurassic Park Dinosaur Youth Large Capacity USB Travel Backpack is designed with the theme of dinosaurs in Jurassic Park, unique, interesting, and in line with the interests and hobbies of young people. Large capacity space: The backpack design is spacious, with a reasonable internal structure, providing sufficient storage space, suitable for storing books, stationery, clothing and other items, meeting travel needs. Durable material: Made of wear-resistant and durable materials, it has good durability and is suitable for long-term use. Comfortable carrying: The shoulder straps are adjustable in width and thickness, and the back is designed with ergonomics, providing a comfortable carrying experience and reducing pressure on the shoulders and back. Multi functional use: In addition to being used as a student backpack, it is also suitable for travel, camping, and other outdoor activities.