Mr. Beer Barrel of Beer kit makes 2 gallons of quality beer at home! Make your own great tasting beer at home. Brews 2 gallons of quality beer. Americas #1 selling complete home brewing system. Kit contains 1 Brewing keg with lid and tap (spigot), 1 North American style beer mix, 1 no-rinse cleanser, 1 carbonation drops, and 1 instructional DVD. Lightweight, shatter resistant keg is made from FDA compliant plastic and imparts no taste or flavor migration