Metro HDM2448BL Super Erecta Drop Mat Wire Display Shelf, Black, 24" x 48" Drop Mat shelving can increase storage capacity by as much as 30%. Built-in shelf ledge, approximately 1" high, prevents contents from falling off shelf. Metro Product Type:Drop Mat Display Shelf Material:Epoxy Coated Steel Color:Black Warrenty:Product will be free from defects in material and workmanship under normal use, service and maintenance for a period of one (1) year from the date of shipment of the Product by Seller, unless otherwise specified by Seller in writing.