This is a steam table cover with a roll top. People sometimes call these Telescope Covers. Basically, you use a steam table at buffets and catering events and you need to keep your food covered from germs, pests, and you must maintain the food at the correct temperature. This cover is a useful option to keep food covered and at temp. If you need to access the food, the plastic handle (wont get too hot) can be pulled up and the food can be easily accessed. This Update STP-RC Steam table pan full size cover can be mounted to your steam table via included screws.