The First collapsible hard shell Check-in Medium made of durable polycarbonate, the Flex Vega provides more than 17 gallons of packing volume and weighs just 7 lbs. Ideal for international or domestic travel. Folds flat to 2.7"", No longer will you need to take up space with an empty bag in your hotel room, you can hang it in the closet or stow it away under your bed.