Home › Forums › Restaurant Professionals Forum › Restaurant Professionals Forum › Shelf under concession window – how deep? › Re:Shelf under concession window – how deep? March 17, 2011 at 1:29 pm #2738961 JodyPMember We have a small 4′ long about 8″ deep. Big enough to sit food on, small to keep kids off. Thinking about moving it to the back window and ordering a larger fold down unit for the side window.