"These Oxo Pop containers are absolutely awesome. For decades I've had tupperware cannisters to hold my staples, like sugar, flour, dried beans, etc...but you always have to wrestle the tops off, then end up covered in whatever you have inside. These are air tight with the touch of a button and release with the touch of a button. I plan to buy more of these, as I see other items I need to store in this type of container...."