STACKING SHELF: Hardware included to securely stack organizer unit for a shoe organizer wall, or display wall; Compatible with other ClosetMaid stackable organizers 15 COMPARTMENTS: Storage cube openings measure 5.75-inch H X 4.5-inch W X 11-inch D each FOR SHOES OR SMALL ITEMS: Ideal for storing flip flops, sandals or other low-profile shoes that measure smaller than 5.75 in. H X 4.5 in. W X 11 in. D; Max depth to fit shoes is 11 in. VERSATILE SIZE: Measures 19-38-inch H X 24.13-inch W X 11.63-inch D when assembled to fit in your closet, entryway, mudroom, game room, utility room or anywhere in your home ALL HARDWARE INCLUDED: Easy to assemble with all hardware included