Octagon-shaped wooden dice tray Plush felt surface ensures a controlled rolling surface 1 ½ inch tall walls protect against missed rolls Exterior measures 12 inches wide Interior diameter measures 10 inches wide This big sized 12 inch high quality dice tray has thick solid wooden frame and velvet playing board. It is a super playing board for your dice game! The velvet board can be made with custom color and printing--perfect to match your custom dice game!