Constructed of high-strength ABS material, durable enough to stand up to everyday use. Compact design fits easily on most housekeeping and cleaning carts. Built-in compartments house up to three different tool attachments: Top Shelf: Quick Change Microfiber Frame, Middle Shelf: Quick Change Duster Frame, Bottom Shelf: Quick Change Squeegee, Brush or 3-in-1 Tool. Easily installed to compatible carts with enclosed hardware (instructions included). Accessory Type: Storage Tray; For Use With: Rubbermaid® Commercial 1805985; Rubbermaid® Commercial 1860740; Rubbermaid® Commercial FG9T7200; Rubbermaid® Commercial FG9T7400; Rubbermaid® Commercial FG9T7500; Rubbermaid® Commercial FG9T7600; Rubbermaid® Commercial FG9T7700; Rubbermaid® Commercial FG9T7800; Rubbermaid® Commercial FG9T8000; Rubbermaid® Commercial FG9T9200; Rubbermaid® Commercial FG9T93010000; Material(s): ABS; Color(s): Black.