A system for distribution and dispensing of beverages, comprising: a container for beverage blow moulded from a preform of plastics, said container having a mouth portion, a shoulder portion, a base portion and a body portion extending between the shoulder portion and the base portion, said mouth portion comprising a circumferential flange, and said container being freestanding, formed in one piece and disposable; and a tube structure comprising: an elongate tube to be inserted in the container and having an inner conduit for beverage; and a closure element to be connected to the mouth portion of the container, the closure element comprising a structural body with an essentially rotationally symmetrical shape, the structural body comprising an annular groove for receiving a rim of the container mouth portion with a close fit, the closure element having a circumferential groove/flange arrangement for connection to the mouth portion of the container via snap-lock engagement between the circumferential groove/flange arrangement of the closure element and the circumferential flange of the mouth portion; wherein - in use - an inner end of the tube is located adjacent to the base portion of the container for passing beverage from said inner end, through said conduit and to the closure element for dispensing, characterized in that an O-ring is arranged around the mouth portion, the O-ring being clamped between the mouth portion and the closure element to provide a seal. a container for beverage blow moulded from a preform of plastics, said container having a mouth portion, a shoulder portion, a base portion and a body portion extending between the shoulder portion and the base portion, said mouth portion comprising a circumferential flange, and said container being freestanding, formed in one piece and disposable; and a tube structure comprising: an elongate tube to be inserted in the container and having an inner conduit for beverage; and a closure element to be connected to the mouth portion of the container, the closure element comprising a structural body with an essentially rotationally symmetrical shape, the structural body comprising an annular groove for receiving a rim of the container mouth portion with a close fit, the closure element having a circumferential groove/flange arrangement for connection to the mouth portion of the container via snap-lock engagement between the circumferential groove/flange arrangement of the closure element and the circumferential flange of the mouth portion; wherein - in use - an inner end of the tube is located adjacent to the base portion of the container for passing beverage from said inner end, through said conduit and to the closure element for dispensing, characterized in that an O-ring is arranged around the mouth portion, the O-ring being clamped between the mouth portion and the closure element to provide a seal. an elongate tube to be inserted in the container and having an inner conduit for beverage; and a closure element to be connected to the mouth portion of the container, the closure element comprising a structural body with an essentially rotationally symmetrical shape, the structural body comprising an annular groove for receiving a rim of the container mouth portion with a close fit, the closure element having a circumferential groove/flange arrangement for connection to the mouth portion of the container via snap-lock engagement between the circumferential groove/flange arrangement of the closure element and the circumferential flange of the mouth portion; wherein - in use - an inner end of the tube is located adjacent to the base portion of the container for passing beverage from said inner end, through said conduit and to the closure element for dispensing, characterized in that an O-ring is arranged around the mouth portion, the O-ring being clamped between the mouth portion and the closure element to provide a seal.