BagButton's economical technology enables you to capture the open-end of most plastic bags or garbage bags and lets you evacuate the air with your vacuum cleaner. BagButton's Space bag Storage Bag system is almost free. One BagButton and plastic bags are all you need. You have plastic bags, use them! You truly can have all the vacuum space saving space bags you will ever need with one BagButton and your own plastic bags. They are just plastic bag though. So are the expensive space saving bags, and you will get a hole in them eventually. But these are just garbage bags and what do we do with garbage bags anyway? (Throw them away). We have only lost a few pennies, not 20 dollars The BagButton is completely portable when used with our convenient hand pump otherwise your vacuum cleaner will do. To use the bagbutton simply place items into a plastic bag, twist the bag and insert the reusable o-ring. Then snap the BagButton into place, connect your hand pump or vacuum cleaner hose and pump the air out. Once the air has been eliminated, remove the BagButton and o-ring then tie off the bag. Your items are now airtight and water proof and your BagButton is ready to be re-used over and over again. or more.