Formosa Covers Storage Shelving Unit Cover, fits Racks 36" Wx18 Dx72 H (Cover Only Grey Color) Storage Shelving Racks Cover Fits racks 36" 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, front & rear panel can roll up and holds by the Velcro tags, both panels with 3 ways zippers for easy in & out the shelves. Water repellent treatment on top surface.