This amazing Bier tower allows you to take 100 oz's of any beverage wherever you want to go. A great way to serve shots, beer, mixed drinks, or just about anything that can go "down the hatch". Perfect for shots without using a glass, The clear plastic tube can be personalized for your establishment or event. The tube is constructed of an thick acrylic tube and a gravity fed hand tap. Bier tower The unit is mounted also to a lightweight backpack, shaped to comfortably fit the curve of one's back. The shoulder and waist straps are nylon cordura and completely stain resistant. Comes complete with a handy waist pouch to carry your plastic cups for dispensing. Remember- anything served behind a bar can be served in this Backpack Drink Dispenser! The best accessory for any tailgate party! Fill it up, strap it on, and you never have to go back to the cooler. The tube on the back of the pack has a tap that feeds out of the bottom and two net bags on the sides to hold your cups.