User can push food onto cutlery against the 1 1/2" high wall around the back of this 7 3/4" -diameter plate. Entry wall is 1/2" at lowest pooint and gradually slopes upward. Melamine plastic with non-skid feet on base. Black dish can be placed with white dishes for visual stimulation. The newly added Polyester Hi-Lo Dish gives more options to caregivers. Unlike melamine, polyester can be put in the microwave. All are dishwasher safe; latex free.