Using the latest heating technology, it can be used without preheating. It is easier to seal than other bag sealers, just slide and seal along the edge of bag. The sealing effect is stronger and there is no air leakage to ensure that the food has the original flavor when it is eaten next time. With this mini bag sealer, you can use it to open / seal snack food bags at any time, whether sitting in the living room, kitchen or watching TV. 2 in 1 Portable Sealer and Cutter Mini bag sealer with Dual-Use, one head for sealing, one head for cutting. Let you can re-use the original bag, help you store leftover foods, chips, snacks, fruits and so on. Keep the foods freshness and crispy, reduce food waste.No longer use shelves to clamp bags as before. The safe rebound blade can help you open the bag or express box. Safety Design Heat sealer uses high-quality ABS material and upgraded electric heating wire, which is easier to seal than other bag sealers. The ingenious safety structure design hides the heating wire under the safety slide cover. You must open the cover to use it to prevent accidental touch and anti-scalding. Lightweight & PortableComfortable arc design, only weighs 2.5OZ, only 3.5 inches long, you can easily hold it with one hand and conveniently put it in your pocket or bag. The magnet at the bottom allows the sealing machine to be hung on the refrigerator, and the tail lanyard can be hung on the wall. Use for Most Bag Mini portable sealer is powered by 2 * AA batteries (not included). Suitable for storage bags, potato chips bags, snack bags, PP, PE, PVC bags, etc., not for pure paper bags. Due to the remarkable heating effect of the heating wire, for thin bags, please gently swipe.