For plates, bowls, trays and plate covers. Choose the 9X9 row peg rack for standard plates. The 5X9 row peg rack holds standard plates in one direction and deep plates, bowls and plate covers in the other direction. The open end tray rack holds cafeteria trays or full size sheet pans. Durable polypropylene will withstand chemicals and high temperatures up to 200 Degree Fahrenheit (93,3 Degree Celsius). Smooth top rim ensures quick, stable stacking. Inter stacks with all other racks. Fits through any commercial dishwasher.