Sandpiper of California Rolling Loadout Luggage Bag Generous main compartment with zipper along perimeter for complete access to cargo. Internal and external zippered pockets. Adjustable carry handle which can be used as backpack straps. Concealable pull handles and MOLLE / PALS panel. Three large-diameter wheels to easily roll on firm surface or sand. Three large-diameter wheels to easily roll on firm surface or sand. Measures 12" deep 36" long and 17" wide