[Portable and Convenient] This heat sealing machine is designed to be compact, small in size, and easy to carry. The magnetic strip allows you to easily connect it to the refrigerator, and the lanyard provides convenient hanging options, making it an essential kitchen tool and an excellent outdoor tool for camping, traveling, and keeping food fresh. [USB Rechargeable] Instant heating, no need for batteries. Its efficient heating system ensures fast and reliable sealing, allowing for longer usage time. You don't need to purchase additional batteries or deal with dead batteries, which is more environmentally friendly. [Dual Use Design] 2-in-1 mini bag sealing machine, equipped with a heat sealing machine for sealing bags and an invisible cutting blade for opening bags. Easy to operate, it can effectively seal various types of bags, such as potato chip bags, cookie bags, snack bags, sugar bags, etc. It's a food preservation helper. You will get: 1 rechargeable mini pouch sealer, 1 USB Type-C cable, 1 user manual, friendly customer service. If you have any questions about our products, please feel free to contact us. All issues will be resolved within 24 hours. [Practical and Durable] This mini heat sealing machine is suitable for heat sealing various snack bags. Sealing tip: Due to the varying thickness of each bag, you only need to find the appropriate pressure for each bag you want to seal. The thinner the bag, the lighter the weight you need to press. The thicker the bag, the more force you need to press it down, and sliding it slowly will seal it.Not applicable to non-thermoplastic materials such as paper bags and aluminum foil bags.