Vacuum sealing just got easier thanks to Kuhn Rikon Vacuum Bag Seal System: Attach the valve, close the bag and you can pump out the air in seconds. And all this at a low price without waste of energy or space.Starter kit includes, 1 pump, 3 valves, 2 slealing clips, 10 Bags (22x20cm), 5 Bags (26x28cm).The bags are reusable because of the flexible and patent-registered valve system and the zipper. The highlight: Our system allows you to re-open and close the bag at any time in comparison to common and expensive vacuum seal machines that seal bags permanently.Keeps food fresh longer. Zipper lock bags can be re-opened and re-vacuumed. Protects food from freezer burn. BPA free. Eco-friendly as no electric power is needed and bags are reusable. Handy and space-saving. Not suitable for vacuum sealing of liquids.Extra seals are available.