ABS Material | Push Switch To Turn On/Off | Includes Black, Blue And Red Dry Erase Markers With Eraser On Cap | Perfect For Sharing Messages For Any Occasion | 3 AAA Batteries Included . Approximate Size: 4 5/8″ H x 5 7/8″ W X 1 5/8″ D , Imprint Area: 1 1/2″ W x 1/2″ H