The possible uses & functions of Rux collapsible carriers are all up to you. These soft-sided cargo carriers make it easier to pack, move, store and use your valuable gear. Garage to the beach. Truck to the trailhead. Anywhere you’re hauling. They’re made of TPU coated nylon, rainproof lids, and removable straps for backpack or duffel-style carry. Volume: 70 liters.