Increases storage flexibility; in 2 depths Constructed of steel, each shelf has a 200 pound weight capacity. Use with Atlantic series metal medicine cabinets and file drawer/storage cabinets (keyword: Atlantic Metal). Available in 2 depths:AMH18: 18" AMH24: 24" Quantity: 1 per package Ships via Ground Transportation. FOB: IL Available in 10 colors: - 01 black, - 02 blue, - 09 grey, - 21 tan, - 25 yellow, - 30 sand, - 48 putty, - 53 burgundy, - 120 charcoal To view color choices, simply click on View Swatches button located below image.Overall dimensions:AMH18: 3/4H x 36W x 18"DAMH24: 3/4H x 36W x 24"D