Abstract: A cap for use with a beverage container comprising a housing that attaches to a beverage container, the housing comprising an opening for dispensing the contents of the beverage container and further comprising a valve button, a valve seal actuator located inside the housing, and a valve seal comprising a food grade elastomeric material that in its resting position is biased against the internal top surface of the housing to seal the opening, wherein pressure on the valve button activates the valve seal actuator to open the seal formed between the valve seal and the opening.