Patent attributes
A mason jar seal device is provided. The mason jar sealing device includes a first container body. The first container body comprises a first container part, a first container wall surrounding the first container part and extending from the first container part, a partition coupled to an inner side of the first container wall and spaced apart from the first container part, a first barrel wall coupled with the partition for forming a first air-extraction port together with the partition, and a second barrel wall disposed on a side of the first barrel wall away from the partition for forming a second air-extraction port for communicating with the first air-extraction port. The first air-extraction port and the second air-extraction port are configured to seal different sizes of mason jars.