Suction base keeps the plate securely on the table. Helps with the development of fine motor skills. Oven and microwave oven safe (up to 200 degrees). Hand wash in warm, soapy water. Dimensions: 19 x 19 x 3.2 cm Age: 6m+ Firmly press the plate from the center on to the surface to suction the base. The surface should be smooth, dry and clean to secure suction.