Description: The mason jar vacuum sealer helps you extract the air from your mason jars, effectively preserves the flavor, nutrients and freshness of your food, and extends the life of your stored food. Features: Electric mode effortlessly seals mason jars, freeing your hands and saving time. The regular vacuum sealers turn the device on or off at the push of a button.,Description: The mason jar vacuum sealer helps you extract the air from your mason jars,