Helix PXB Drawing Board with Parallel Straight Edge, 18 x 24 inch (37179) Product dimensions : 18 x 24 and the packaged dimensions : 19.1 x 2.1 x 25.4 PVC covered board is 5/8" thick. Easy grip adjustable straight edge moves easily over board and stays in place where you put it. Rubberized feet fold for easy storage Carry handle