Quiksilver Men's 3 In 1 100% Polyester Imported Hand Wash Wheel bag: wheels and retractable handle, multiple carry handles, internal and external pockets, and large main compartment with compression straps size: 16 inchesx12 inchesx8 inches / volume: 46l / weight: 7.96 lbs Backpack: large main compartment with padded laptop sleeve, padded adjustable shoulder straps and back panel, front compartment with organizer, and strap to attach to retractable luggage handle size: 20 inchesx13.5 inchesx9 inches / volume: 28l / weight: 1.50lbs Duffle bag: large main compartment, shoulder strap, carry handles, and external pockets size: 10 inchesx21 inchesx10 inches / volume: 37 l / weight: 2.05 lbs 600d polyester with q-tec backing