A dispensing container that dispenses a liquid contained therein in foam includes: a container body storing therein a liquid; and a base cap mounted to a mouth of the container body. The container body is flexible so that a squeeze operation may be performed on the container body. The base cap is provided, on a top wall, with a nozzle forming a tubular passage communicating with a front end orifice. The nozzle is provided with a foaming mechanism for the liquid at an upstream end portion and with a through-hole in a predetermined position on a circumferential wall of the nozzle that is downstream of the foaming mechanism. The through-hole is provided with a check valve, and the front end orifice communicates with an inside of the container body through the through-hole.

A container comprises: a body having an interior; and a closure. The closure has: a closure main body carried by the body; a stem within the closure main body and having a passageway in communication with the body interior and a port from the passageway; and a platform within the closure main body radially between the stem and the closure main body and adjustable between a lowered position and a raised position.

An attachment for a beverage container may include a cap configured to attach to an opening in the beverage container. The cap includes an opening. The attachment also include a tube passing through the cap. A beverage in the beverage container can flow through the tube and out of the opening in the cap. The attachment also includes a container attached to the tube and configured to hold a liquid. The container includes an opening to allow the liquid to flow from the container into the tube and out of the opening in the cap. The attachment also comprises a restrictor between the opening of the container and the tube, such that the liquid begins to exit the opening in the cap before the beverage begins to exit the opening in the cap.

The inventive concept provides a liquid storage unit. The liquid storage unit includes a tank housing defining a storing space therein; a liquid outlet pipe penetrating into the tank housing and having an outlet formed thereon; and a liquid inlet pipe penetrating into the tank housing and having an inlet formed thereon, and wherein a first guide surface is provided between the outlet and the inlet.