The Magnetic Smart Box allows you to keep markers, erasers, cleaners, & other accessories, close at hand by placing this magnetic storage accessory on any magnetic board. This 9" x 4" bin has spacious compartments to keep you organized & neat. Includes a clip to hold your notes, hooks & four separate bins keep everything tidy & in place. Stand-Alone Product: No; Optional Accessory: Yes; Integral Component: No; Color(s): Black.