Eagle creek actify wheeled backpack 21 black description this international carry on converts from a rolling bag to a backpack so you can throw it on your back when youve got to run to catch your flight or to trek down a dirt path but unlike a travel pack the activate wheeled backpack 21 also has durable wheels for easy rolling how you carry it is up to you features converts from wheeled luggage to backpack carry easy packing full front panel load gives access to main compart