Encourage independent eating. Special lip design prevents spills by letting food be pushed to the side of the plate, then scooped up with a fork or spoon. Ideal for one-handed dining. The plate has a depth of 13mm ( 1/2"") and a diameter of 230mm (9""). The Suction Lip Plate secures to the table using suction feet, is household dishwasher safe and should not be microwaved.