Made of premium ABS plastic, it can easily seal Mason jars to preserve food. Simply press the button and you can achieve perfect vacuum sealing of the Mason jar in 20 seconds, keeping your food fresh and delicious for a longer time. Includes Mason jar vacuum sealing machine x 1, wide mouth lid x 5, ordinary mouth lid x 5, can opener x 1, Type-C cable x 1, label x 12, user guide x 1. Equipped with a built-in display to ensure clear visibility of battery status and working hours