Carlisle Opticlean 9-compartment divided glass rack extender. Use with large brandy snifters, grande margaritas, carafes, and other items with a wide diameter. Compartment measures 5-13/16-inches by 5-13/16-inches. Accommodates glasses up to 5-9/16-inches in diameter. Inside height: 1.57-inches. Outside height: 1.78-inches. Measures length 19-3/4-inches by width 19-3/4-inches. Dishwasher safe. Polypropylene material. Carlisle blue color. Made in the USA.