Glass Rack Extender Material Plastic Compartment Size 3 1/2 x 3 1/2 in Exterior Length 19 1/2 in Maximum Cup Height 1 1/2 in Exterior Width 19 1/2 in Maximum Cup Diameter 3 1/2 in For Use With Mfr No RBC25 Maximum Handling Temperature 210 Degrees F Includes Full Height Dividers Inside Length 18 1/4 in Inside Rack Height 1 1/2 in Inside Rack Length 18 1/4 in Inside Rack Width 18 1/4 in Inside Width 18 1/4 in Product Type Glass Rack Extender Color Gray Number of Compartments 25