Round Plastic Whiteboard Blackboard Magnetic Button 30mm Dia 12PCS It usually takes around 1-4 Weeks Time to deliver after Item has been Dispatched. Please Check the Delivery Time Before Making Purchase(s). Widely used for office, school and so on to fix file on whiteboard. a must accessorize for daily use time. Come with 12pcs magnetic button with assorted color, features 30mm diameter with plastic casing, it is used in whiteboard