Easy to use: open cover to preheat the itemby pressing 5 secondsbefore using, then simply slide it along the edge of any bag and its sealed airtight. Multi-Function:Keep all edibles (groceries, chips, candies, snacks, leftovers) FRESH and DRY.Avoid containers that dont truly keep food sealed from air. Any type of plastic or aluminum bag is subject to the power of sealing. Seal In Seconds: Just press and pull the mini food sealer across the bag to create an airtight seal.You will lock your food/ snacks in freshness and flavor. Safe & Convenient Sealer: Magnetic bottom,it easily attaches to refrigerators or any stationary metal surfaceso you will keep it handy in your kitchen, outdoor, cabinet or anywhere you need it. Allow up to 21 days for shipping