This mini bag sealer is a heat bag sealer, and also a bag opener. You can seal bags easily and keep your food fresh, also with the built-in sharp stainless steel blade to open the bags conveniently. 2-in-1 machine. Enjoy your fresh and crispy snacks. built-in With a 400mAh battery, the rechargeable hot bond bag sealer comes with a micro USB cable(included), so there is no need to buy extra AA batteries for this chip sealer, save your money and protect the environment. This food bag sealer is suitable for packages of chips, cookies, salad, pet foods, etc., as well as for packages of salad and vacuum bags, a must-have in daily life and kitchen cooking scenarios. Not for cling films, cellophane bags, kraft paper bags, or pure aluminum bags. Compared with the old sealer machine, the powerful and efficient heating unit can quickly heat and keep to a working temperature of 0.1s. Turn on the switch, no need to wait, and the sealer directly seals the package firmly. Easy To Place & Portable: With the magnet on the back, the delicate mini bag resealer can be attached to the refrigerator, space-saving in the house and not missing anymore. Only 0.2 pounds is also easy to carry outdoors for picnics, camping trips, etc. Read Less