Classic Shape A lightweight, minimalist slim bookag that will accompany you through a relaxing day. Bag's size and fit guide 15.6 inch bookbag is ideal for people of height from 4.3ft to 6.2ft. 17.3 inch bookbag is ideal for people of height from 5ft to 6.4ft. Detail Luggage Strap: The back luggage sleeve allows the bag to be fixed on the suitcase for convenient travel. Waterproof Fabric: Unique 300d oxford waterproof fabric protects your clothes, books, personal items from rain. Pockets: Zipper pockets inside, perfect for study and business. Computer Compartment: with velcro,ideal for 12", 13.3", 14", 15", 15.6",17.3" laptops. Tablet Compartment: Holds a 9.7" tablet. Warranty 30 days free return and exchange, one year warranty. Package Include Backpack x 1 USB Cable x 1