Practical household gadget: With this small foil sealer, you can reseal opened bags. With a simple seal, you can store snacks while extending their shelf life.Rechargeable tool: Unlike other mini handheld sealers that require batteries, this foil sealer can be charged via a USB cable, which is not only environmentally friendly but also saves money on batteries.Three adjustable modes: Our mini foil sealer has three speeds to choose from. As long as the thickness is between 0.03-0.13 mm, either ordinary snack bags or thicker food bags can be sealed according to the gear setting (Note: NOT suitable for cling film, cellophane bags, kraft paper bags, or pure aluminum bags).2-in-1 Functions: Thanks to the retractable blade design, you can not only seal the snack bag but also open the corresponding package or carton. (Note: Please do not allow children to use this tool.)