Pack-It Cube Set Blue Sea. Eagle Creekâs Original Pack-It⢠Cubes let get use out of every square inch of your travel bag. This set includes three cubes for clothing compression and accessory organization for a quick TSA security check, or to create fun, kid-friendly game cubes for the long haul⦠With 101 uses, what are you waiting for? Travel easy knowing everything's right where you want it to be.