2 in 1 bag sealer with cutter: The mini bag sealer has a two-purpose design - the bag sealer heat seals to seal the bag and the cutter helps you open the bag. Keep food and snacks fresher, keep air out and reduce waste by re-sealing the original bag with the heat seal function. No pre-heating required: The hand-held sealer adopts an improved heating element that ensures secure sealing without burning through the bag. Firstly, you press the switch to turn on the switch, place the bag to be sealed