"Officially Licensed NCAA Michigan Wolverines Premium Backpack and Carry-On Set Carry-on hardcase spinner has two main compartments. All-Purpose travel backpack has two main compartments, 2 side pockets, 2 front pockets and water bottle holder. Backpack slips over and attaches to spinner luggage handle. Luggage is made of 100% ABS material and is designed to absorb impact. Micro diamond texture reduces visible abrasions. Fully lined interior with elastic garment straps. Top and side handle makes it easy to lift. One touch comfort grip telescoping handle. All-Purpose backpack is built with water resistant ballistic nylon. Included one padded compartment to hold up to a 19"" laptop. What You Get Carry-on Hardcase Spinner Luggage Travel Backpack"