This master board is for 1.5" bingo balls (not included) The master board is clearly labeled, making it very easy to read Great for bingo halls or parties, barbeques, and family game nights. Perfect for the whole family, great for bringing people together. GSE Games & Sports Expert | GSE Games & Sports Expert White Bingo Masterboard For 1.5" Ping Pong Bingo Balls 20.5 H x 1.5 W x 16.5 D | 20.5" H X 1.5" W X 16.5" L | Wayfair