Multi-function: The mini sealer can cut open plastic bags with one end and seal them tightly with the other end. It is a great device to have if you are carrying food while traveling, or if you want to reuse plastic bags efficiently. It takes only a couple of minutes to seal and cut using this device Simple operation method: When sealing need clamp the sealer with the bag , Press the" +" item After 3-5seconds of warm-up, move the seal and sealed the bag slowly. The minus sign "-" on the other hand is the practical function for opening the bag. High-quality materials: High quality ABS material, resistance to high and low temperature. This material is resistant to high and low stability and can be used for a long time without damage. Mini-sized and portable: It has a hook so you can hang it up with other utensils. Perfect portable bag sealer for kitchen, hunting, fishing, camping, travel and more. Suitable for travel and home use: The mini sealer is used to make an airtight seal on plastic bags, which consequently helps to keep the food inside it fresh and unspoiled for a long time. It can thus also help you stay healthy .Appropriated for various bags,such as storage bags, potato chip bags, fruit bags, sugar bags and so on.