The Bier Rucksack  the latest addition to our line of bier rucksack portable beverage dispensers. The (5 liters) unit is only 1/3 the size, weight and capacity of our signature product, the  bier rucksack was especially designed for serving COFFEE on commuter trains in Europe and DRAFT BEER in nightclubs. Our loyal customers in England, France and other countries asked us to develop a compact dispenser that would enable their Servers to walk down the narrow aisles of trains, buses and airplanes