Provided is a container for drinking liquid comprising: a. a reservoir for holding liquid, the reservoir made from a material that shrinks as liquid leaves the reservoir, b. an opening for the liquid to leave the reservoir and exit the container； and c. a one way valve configured to be actuated by a person sucking the opening； wherein when the person sucks, the one way valve opens and the liquid leaves the container while the reservoir shrinks to compensate for volume of the liquid that left the container. In another embodiment, provided is a container for drinking liquid comprising: a) a housing in a shape of a phallus, the housing having a body and a cap, inside of the body of the housing having a reservoir for a liquid, the cap configured to be removably attached to the housing； and b) a channel in the cap configured to carry liquid from inside of the housing to outside of the container: wherein the reservoir is filled by removing the cap and pouring the liquid into the reservoir, and the liquid is consumed through the channel. Provided is a container for drinking liquid comprising: a) a body； b) a cap for removably attaching to the body, the cap having an opening configured to allow liquid to travel from inside of the container to outside of the container； c) a cup for holding liquid placed inside of the body, the cup maintained in proximity to a top of the body； wherein liquid leaves the cup and moves to the outside of the container through the opening in the cap. Also provided are mannequins in assembly with such containers.
