This laptop backpack is built with water resistant ballistic nylon. There are two main compartments - one padded compartment that holds a 19in laptop, the other has enough room to store your books, binders, files and folders and also contains pen loops and cardholders. This Iowa State Cyclones backpack also has a Spine Saver shoulder pad shock absorber and a back airflow system and a back strap that enables the backpack to slip over the handle of your wheeled luggage. Please Note:This item CANNOT be shipped to PO Boxes or APO Addresses. Availability: This item ships in approximately 1-3 business days. This item is manufactured by Mojo | |||||||||