?Easy To Use Free Your Hand?Our Mason Jar Vacuum Sealer Is Designed For Easy And Hands-Free Operation. It Features An All-Electric Upgrade Mode,Eliminating The Need For Additional Hoses Or Manual Pressing. By Simply Centering The Sealer On The Jar Cover And Pressing It Firmly, Then Click The Button And Wait For Just Over 20 Seconds To Complete The Vacuum Sealing Process. This Easy-To-Use Feature Allows You To Free Your Hands And Save Time. | | ?Suitable For Wide/Regualr Mason Jars?Our All-In-One Mason Jar Sealer Is Designed With Two Sizes Of Jar Mouths-Standard Wide. To Use The Standard One, Insert The Red Arrow Of The Standard Converter Into The Unlock Symbol On The Main Unit. Then, Insert It Into The Silicone Ring In The Wide Mouth Seal Area And Twist It Clockwise Until The Arrow Aligns With The Lock Symbol, Indicating Successful Installation. With This Feature, You Can Easily Switch Between Two Sizes Of Mason Jars. | | ?Meet All Your Vacuum Sealing Needs?Includes A Ma.