A vacuum sealer is a kitchen appliance that removes air from bags or containers to preserve food. By eliminating air, it helps prevent spoilage and freezer burn, keeping your food fresh for a longer time. This is especially useful for storing leftovers, bulk purchases, or meal prepping, as it can extend the shelf life of various items like meats, vegetables, and snacks. Using a vacuum sealer is simple. You place your food in a special bag, insert it into the machine, and press a button. The machine then sucks out the air and seals the bag tightly. Many people find that a vacuum sealer is a great investment for reducing food waste and saving money on groceries.