[Easy to use] Please open the lid 2-3 seconds before use to preheat the items, then slide along the edge of any bag, then seal it. When you want to open the bag, you just need to press and pull the mini food cutter on the bag, and you don't need to use scissors anymore. [Heat sealing and cutting machine two in one machine] This mini bag sealing machine is a great tool for kitchen, camping, travel, etc. It is very suitable for packaging to prevent moisture and deterioration of foods and snacks. It is not only the sealing machine, but also the opening machine. The knife is hidden on the side of the sealing machine, you can take it out, and you can quickly seal and cut at any time. [USB rechargeable design]: protect the environment, do not need batteries, and charge via USB cable. Our heat sealer comes with a rechargeable cable, so you don't need to buy extra batteries, you can use it anytime, anywhere. Please use 5V output voltage adapter when charging. [Applicable all kinds of plastic bags]: The heat sealer can be used for PP/PE/PVC plastic bags, snack bags, crisp bags, pet food bags and film bags. This mini bag sealing machine is not applicable to the following bags: pure paper bags, kraft paper bags, extra thick oily bags. Please don't worry, it is normal that there may be some smell and smoke when using the sealing heater. [Portable] The mini sealing machine is convenient to carry and saves money. space - no matter you go camping or home, you can use it to seal and cut easily. The mini sealer has a magnetic back, so it can be stuck on the refrigerator surface. Product Description Heat Sealer for Plastic Bags Note: 1) Don't worry no use of the battery, because it has the design of automatic disconnection after release. 2) The heating time should not exceed 3 minutes each time, and it should be used every 2-4 minutes after each use. 3) This product is suitable for PE/PP/PVC bags and other plastic bags. Please note that pure paper bags and foil bags are not applicable. 4) The moving speed of the seal depends on the thickness of the plastic bag. The more thinner you need to seal it quickly, otherwise it is easy to break. Thick parts should be sealed slowly, otherwise they cannot be sealed. 5) For better sealing effect, please scrape off the residue on the heater. Product size: 40*37*110MM