Eagle creek pack it half cube product description eagle creeks original pack it cubes help you organize and get use out of every square inch of your travel bag cubes come in four sizes for quick clothing and accessory packing quick tsa security checks or to create a fun kid friendly game cube for a long plane or car triptravel easy knowing everythings right where you want it features great for socks underwear tshirts shorts etc mesh top for visibility and breathability quickgrab