Main compartment is separated into two zippered sections for superior organization Integrated compression straps eliminate excess loose straps Drop bottom with lockable zippers for extra storage Exclusive, patent-pending stand-alone feature 210D ripstop nylon / 1,680D ballistic nylon Maximum durability with minimum weight makes this rolling duffel bag the best you'll find. Built to last, with solid interior construction and a tough ripstop nylon exterior that's reinforced with ballistic nylon. Our exclusive, patent-pending design allows the bag to stand securely on its own, whether empty or fully loaded.Also available in Large and Extra Large