Patented two-way action allows the consumer to slide cans in and out from the end, or snap out in the middle. See at a glance what you have, increase your cabinet storage. 3 sizes fit most common can diameters, easy to install, with tape strips or wood screws (provided). 3 pack will hold 11 cans, multiple uses within RV, boat and homes. Can be used on top and bottom of cabinet...cans don't slide around.