>The Protege 36-inch Rolling Trunk Duffel Bag is a jumbo-sized duffel bag. It expands into a rolling duffel and folds into a small bag for easy storage. This bag features a large, zippered U-shaped opening into the main compartment. The main compartment has a tri-fold bottom boar for extra stability. It's great for just about any adventure, from camping to the gym, or even a weekend away. The duffel is made from heavy-duty, weather-resistant 600 denier polyester and three in-line skate wheels for smooth gliding. It measures 36 inches long by 16 inches high by 15 inches wide and weighs 4.6 pounds.