Devices and methods for the sealing of a container are disclosed. The devices and methods include stoppers that allow for removal of air from the container with a vacuum source. Various embodiments comprise a high-volume valve allowing for expeditious evacuation of the air. The stopper may also comprise a low vacuum indicator to indicate to the user whether the vacuum internal to the container is at or above a desired amount. The stopper may also comprise other indicators, such as a day of the week or month indicator. A rotating bezel may be used to identify temporal or other types of events, such as when the container was first opened.