2-in-1 Sealer and Cutter: One end of the sealing machine can seal the bag, the whole process will not exceed 10 seconds, he other end can cut the bag, and it can be cut in just 1 second. Keep Foods Fresh: With this heat sealer, you can re-use the original bag, keep foods and snacks fresher, reduce food waste. Easy to use: Comes with a use manual. Press sealer for about 3-5 seconds to start heating. Put the bag to be sealed in the middle and slowly pull it at a constant speed. Xample Mini Bag Food Heat Sealer 2 in 1 Handheld Vacuum Seal in Black