The Dish & Glass Rack Extenders by Vollrath: Traex Rack Max Dishwasher Rack Extender, full-size, (20) compartments, 19-3/4W x 19-3/4D x 1-9/16H, (compartment size 3-15/16 hexagon), co-polymer plastic, royal blue, NSF, Made in USA ( Vollrath - TRG )