Made from a waterproof PVC tarpaulin fabric, the Firstgear Torrent Duffel bags were created to keep your gear dry and safe while you focus on the adventure. With its precision cuts and sonically welded seems the Torrent Duffel Bags will handle any curve you may take from the Appalachian trail to the California coast line. Systematically placed D-rings and webbed straps allow the bag to be compressed and secured to your bike.; ; Made from PVC Tarpaulin fabrics Waterproof D-rings Webbed straps Carry straps Sonically welded seems 25L, 19" L x 12" W x 12" H 40L, 24" L x 12" W x 12" H 70L, 28" L x 14" W x 14" H