This mini bag sealing machine can seal and cut plastic bags, the "+" side is a heat sealer, which can seal plastic films; the "-" side is a cutter, which can cut the plastic bags. With this heat sealer, keep food and snacks fresher, longer and reduce food waste. After the battery is installed, press it for about 3-5 seconds to start heating. Place the bag to be sealed in the middle and slowly pull it out at a constant speed. For best results, the seal can be repeated several times. Made from ABS and ceramic material, it can withstand high and low temperatures which allows it to last longer. Please remove the battery if it is not used for a long time, please do not press hard when sealing, otherwise it will cause the metal heating sheet to deform and not heat up. This sealing machine handheld is lightweight and portable. Its small size fits in a pocket or purse. suitable for cooking, camping, picnic, etc. A removable hook allows you to hang it anywhere. The food sealer can handle a variety of plastic bags, such as snack bags, chip bags, and kinds of plastic materials. PVC. The gadget is not suitable for these bags: pure paper bag, kraft paper bag, pure foil bags or extra thick oily bag.