An apparatus for a baby bottle container may include a plug assembly. A plug assembly may include a wall forming an inner volume. A plug may extend from the wall and form a portion of the inner volume. The plug assembly may be capable of removable attachment to a baby bottle container. An apparatus for a baby bottle container may include a chamber assembly capable of removable attachment to the plug assembly. The chamber assembly may comprise a partition configured to receive a portion of the plug within the inner volume of the plug assembly. The chamber assembly may be axially slidable about the plug assembly to selectively engage the partition with the plug to form a seal.
