[【Upgrade Auto Stop Function】Simply align our vacuum sealer with the Mason jar press the start button and wait for 20-30 seconds. When the air is sucked out of the bottle the sealer automatically stops indicating that the sealing is complete. The STEVDIAN vacuum sealer saves you time and effort! 【Extend Food Preservation】Our Mason Jar Vacuum Sealer can help you remove air from your Mason jars and extend the life of your stored food. Whether you are preserving spices salads or other non-fermented foods this food vacuum sealer will meet all your needs! "【Easy to Operate】With just a press of a button our Mason jar vacuum sealer automatically completes the sealing operation stopping once its done. While it works you can multitask freely. The LED screen displayed the working time battery level and charging status. With Type-C charging and a high-capacity battery design its a must-have tool for the kitchen as well as for family trips and picnics." 【For All Sizes】Our Mason Jar Vacuum Sealer with Bottle Mouth Converter for Wide Mouth and Regular Mouth Mason Jars effectively seals different ounces of Mason Jars. In addition we include 5 wide mouth lids 5 regular mouth lids and 10 can labels in the package. "【Ergonomic Design】Unlike traditional cylindrical vacuum sealing machines our electric canister vacuum sealer features a unique side concave design. This design makes it easier for small hands to grip and handle the vacuum sealer whether youre using it or taking it out of the canister."]