The Dish & Glass Rack Extenders by Vollrath: Traex Rack Max Dishwasher Rack Extender, full-size, (49) compartments, 19-3/4W x 19-3/4D x 1-9/16H, (compartment size 2-1/2W x 2-1/2D), co-polymer plastic, red, NSF, Made in USA ( Vollrath - TRE )