Specifiations Dimensions：19 X 13.5 X 6 inch Weight：1.8lbs Capacity:35L Department:Unisex Features The backpack luggage sleeve allows the schoolbag to be fixed on the suitcase for happy travel. Unique 600d oxford waterproof fabric protects your clothes, books, personal items from rain. Zipper pockets inside,perfect for school and business. Laptop compartment with velcro,ideal for 12", 13.3", 14", 15", 15.6",17.3" laptops. Tablet compartment holds a 9.7" tablet. The anti-theft pocket protects your personal items, such as wallet, passport, and ID card from potential theft when traveling or lining up. Reflective stripe on the front to make you be noticed in dark. Ideal for high school, university, office, and travel. Guide of Bag's Size 15.6 inch bookbag is ideal for people of height from 4.2ft to 6.3ft. 17.3 inch bookbag is ideal for people of height from 5.1ft to 6.5ft. Warranty 30 days free return and exchange, one year warranty. Package Include Backpack x 1 USB Cable x 1