Overall Dimensions: 18 inch H x 12 inch L x 5.5 inch W. Stores textbooks, binder, spiral notebooks, calculator, cell phone, and more. At both side of external pockets feature elasticized mesh, which expands to secure various size water bottles. Padded adjustable shoulder straps. This versatile backpack is made for convenience and functionality. This Multi-Purposes backpack is a functional bag as well as a useful daily carrying case. Containing a roomy main compartment with zippered closure, two front pockets and a interior pockets, this bag gives it enough space to store all your items. It is a fashionable bag to keep your passports, credit cards, key chain, bluetooth headset, books, laptop and other necessities within sight and reach. Durable buckle closure help secure the items in the bag. Delivering secure storage space for all your gadgets. You can wear it along with you during outdoor activities, and enjoy security and organization. Hang out longer and go farther whether hiking, cycling or strolling with the Multi-Purposes backpack.