This 2-in-1 portable heat sealer is made of durable ABS plastic, sized for easy carrying in a backpack or drawer. It is USB rechargeable, so you can power it anywhere without frequent battery changes. It integrates heat sealing and bag cutting functions, can quickly reseal opened plastic snack bags, food storage bags to keep food fresh longer and prevent moisture or bugs from getting in. It is perfect for home kitchen use, outdoor picnics, camping and travel, helps you organize food storage neatly and avoid food waste.