The OptiClean Open Glass Rack Extender allows for more versatility when loading an OptiClean Glass Rack from Carlisle. Made of durable plastic, the Extender is perfect for large cocktails glasses, delicate wine stems and oversize bowls. The Extender increases the height of the rack and provides more protection against chipping or breaking. - Plastic; blue - NSF - Length 19-8/9 in - Width 19-8/9 in - Height 1-3/4 in - Compartment width 4-1/2 in - Inside height 1-1/2 in - Sold per each