I accidentally bought two of these, so I'm selling one. Conveniently seals and cuts plastic bags with heat! By sliding it while pressing it against the plastic bag you want to seal, you can seal and cut at the same time. Great for partially eaten or used food! Ideal for portioning food, individually wrapping masks and items you want to keep clean, and for packaging. The magnetic back allows you to attach it to the refrigerator, making storage easy.