To purchase a Cork Bulletin Board select the size at the bottom of this page and complete the transaction. To purchase a White Board, ChalkBoard or Combination Board select the size and price AND THEN ENTER YOUR CHOICE IN THE CUSTOMER INFORMATION BOX. Simple tell us if you would like a Marker Board, Bulletin Board or Combination Board. If combination board tell us what TWO components you want - CORK - CHALK - MARKER BOARD. and the space for each component...The options are 50% - 50% OR 75% - 25%.