Upper Extremity Support Tray Surface (U.E.S.S.), 3/8" Black Sanalite, attaching option must be selected ( I.E.- slides and belt, Destaco clamps, etc.) and any other options needed to add to the U.E.S.S. to maximize functionality. Black Sanalite is an FDA approved surface for the food service industry making it an ideal selection for easy cleaning and for "messy" applications