Cambro (16E2151) 16 Compartment Half Drop Extender [Case of 12] Full-size extender is a half-drop component with 16-compartments for any stemware and tumbler It is made from exceptionally durable, long-lasting polypropylene Each of the ten compartments measure 4-3/8-inch by 4-3/8-inch and are 1-5/8-inch high Available in soft gray color The extender measures 19-5/8-inch length by 19-5/8-inch width by 2-inch height