Our smallest Black Hole Wheeled Duffel with a 40-liter capacity is carry-on approved and ready for burly journeys. Made with 100% recycled body fabric, lining and webbing. Features: Burly recycled polyester ripstop with a highly weather-resistant TPU-film laminate. Large opening to main compartment; zippered external side pocket and mesh pockets in lid for smaller items. Reinforced haul handles. Stout wheelset makes for smooth, comfortable travel. Internal compression. Duffel volume is 40 liters.