A device for a beverage container may include a tubular member that is insulated and has an axis. The tubular member may further include an upper axial end and a lower axial end. Both the upper and lower axial ends can be open. The tubular member may be configured to receive and insulate the beverage container therein. The device may include a base. The base may be removably coupled to the lower axial end of the tubular member to close the lower axial end. The base may include an interior compartment containing a fluid permanently sealed therein. The fluid can have a freezing point of about 0° C. or less.