The Trip Machine Backpack pannier is built for adventure. Made completely from 100% heavy-duty veg tan leather, it is made for years of use and abuse and gets better with every adventure. Designed to be easily mounted on or off the motorcycle in a matter of seconds. A backpack for everyday adventure. The classic roll-top design provides flexibility, 14-15L, and ensures that your valuables are safe. The perfect bag for the daily grind and the occasional adventure.