Formosa Covers Storage Shelving Unit Cover, fits Racks 48" Wx18 Dx72 H (Cover only Grey Color) Storage Shelving Racks Cover Fits racks 48" W x 18" D x 72"H (Cover only Grey color) Slip the cover over your storage shelving rack to keep it clean and neat. Polyester fabric with PU under coating in Charcoal Grey color 4 corner zippers, 3 way zippers on front & rear panels for easy access, both panels can roll up and holds by the Velcro tags Water repellent treatment on top surface.