Samsonite 2-piece Laptop Backpack and 21" Carry on Spinner Luggage Set - Black Includes business backpack and 21" carry on spinner Made from rugged high denier polyester in black for lasting durability Stackable attachment system on the backpack allows travelers weightless mobility with both bags Perfect Fit adjustable laptop system provides a custom fit for laptops up to 15.6" in the backpack 4 multidirectional dual spinner wheels allow for 360-degree upright rolling of the carry on so there is no weight on your arm