Comes in 27 and 36 inch sets. Please choose which size you would like. This Demonstration Chess Board was created for teaching in a classroom setting, or for displaying tournament moves in a chess club or small auditorium. It is made of high quality vinyl with screen printed squares and solid wooden dowels to hold everything straight. The complete set of chess pieces include extra queens and stars that can be used for instructional purposes. • 27 inch set - Board measures 30.125 x 26.5 inches with 2.75 inch squares, pieces measure 2.25 x 2.75 inches • 36 inch set - Board measures 36 x 36 inches, pieces measure 3.25 x 3.25 inches • Complete set of chess pieces included. Also includes extra queen for each color and 6 stars • Clear pockets hold pieces in place • Free demo board bag with adjustable strap is included to make transporting a breeze!