Seville Classics Expandable Under-Sink Shelf with steel Perforated Panels Dimensions: 17.75 - 27.75 in. W x 11.8 in. D x 14.8 in. H Shelf is expandable from 17.75 in. To 27.75 in. With adjustable shelf height Includes 10 steel perforated panels that are Removable Adjust panel position to fit under sink pipes