EASY to USE-After Two AA batteries is installed (package not included battery), just press it to start heating. Put the bag to be sealed in the middle and slowly pull it at a constant speed.No need heat in advance, heating immediately for use^ WIDE APPLICATION-Suitable for various plastic bags, such as storage bags, potato chip bags, fruit bags, sugar bags and so on^ PORTABLE-Perfect for Picnic, travel and home use.Perfect for home, kitchen, office, school and travel, etc^ PRACTICALITY -The mini bag sealer has a great heat insulation effect. Super heat-resistant ironing belt makes the mini bag sealer durable, also prevents the packaging bag from being scalded during use (tips: Do not put your hands on the heated place during use)