Thin Mouse Pad Style Tournament Chess Board - 2.25' GreenOur Thin Mouse Pad Tournament Chess Board offers the same features as our Soft Mouse Pad Chess Board guaranteed to lie flat, will not crease and are completely washable but are extremely thin! This makes them light weight and very transportable, just roll them up and insert into one of our chess bags. They feature a non slip, rubberized underside. Boards have 2. 25 squares and measure 20 x 20 with rounded corners. Meet all US Chess tournament