It's extra big for those extra long trips! Go ahead, stuff it nice and full— it won't get too heavy to move, because it's on wheels! it's also got shoulder straps, in case you packed light. Either way, if you need to keep some of your items close at hand, there's also a convenient front zippered pocket. 100% polyester. 30 1/2" x 15" x 17 1/4" high.