Seville Classics SHE14076 2-Tier Expandable Under-the-Sink Shelf with Removable Plastic Panels, Silver Dimensions: 15.5" To 27" w x 11.375" D x 15" h Heavy duty steel frame construction for longer lasting durability Includes 8 waterproof removable plastic panels (3.25" W) & 1 basket (5.5" W) Patented design Frame has 4 adjustable shelf heights