US Patent 11840384 Container closure system

A container closure system comprising a container (e.g., a coffee cup) with a lid comprising a sip hole, wherein the closure system further comprises a stirrer that may be used to removably plug the sip hole in the lid, said stirrer being optionally further capable of stirring liquid within the container. The present invention also may include an attachment mechanism or attachment means on or adjacent to the lid, whereby the stirrer may by releasably attached to the lid for storage, transportation, and to facilitate facile relocation of the stirrer.