Aoitun Bag Sealer Bags Heat Sealer for Plastic Food Potato Chip Bag, Mini Handheld Portable Resealer ELEGANT COMPACT DESIGN: It can easily be stored of the Fridge door because it has a Magnetized bas, it Takes up little space. EASY TO USE: Open the protective cover to preheat the by pressing 7 seconds before using, then simply slide it along the edge of any bag and it's sealed airtight. HIGH QUALITY - ABS material, resistance to high and low temperature. Durable and Compression. Heat Sealer will easily reseal original plastic bags so food will stop being exposed to dust and bacteria. Creates airtight seal and prevent your food from tasting bland and stale and lock in freshness and flavor. Saves you time and money. NOTE: It needs 2 X AA batteries to supply power, and we suggest to employ alkaline battery. The batteries are NOT included.