BioLogic Commute Bag Waterproof TPU Fabric and Quality seat belt webbing straps Roll top design to keep water out and 3M reflective decals for safety Compatible with BioLogic Portage racks, Tern Trolley rack, and racks using the KLICKfix Rackpack system Capacity: 14 L (854 cu inch) / 10 kg (22 lb) Made for Tern