?How It Works?Electric Mason Jar Sealer Works By Using The Difference In Air Pressure To Seal The Lid. The Machine Takes Out Some Air From The Jar, Making It Feel Like An Invisible Hand Is Pressing On The Lid. So, Please Do Not Seal Things That Make Gas Easily, Like ColaIt Can Only Stay Sealed For A Few Minutes. But For Things Like Water That Don'T Make Gas, You Can Seal Them For A Long Time. | | ?Free Up Your Hands?The Machine Will Automati