主权项 |
1. A device for a beverage container, comprising:
a tubular member that is insulated and has an axis, an upper axial end and a lower axial end, both the upper and lower axial ends are open, and the tubular member is configured to receive and insulate a beverage container therein; and a base removably coupled to the lower axial end of the tubular member to close the lower axial end, the base having an interior compartment containing a fluid permanently sealed therein, the fluid having a freezing point of about 0° C. or less. |