With these durable plastic wire shelf liners,36"d wire shelvingbecomes more efficient and reliable. Use to instantly add a smooth, solid surface that keeps stored items stable and from falling through the gaps between the rungs. Select the right size by matching the liner dimensions to the depth and width of your wire shelves. Durable, 1/8" thick PVC construction Rounded corners position around posts Holds up to 300 lbs, evenly distributed Moisture and chemical resistant *60"w and 72"w liners come in two pieces that assemble into one liner. To order in one piece, please contact us at 1-800-637-9508. Liners are cut-to-order and arefinal sale. Please measure shelves and see Product Details section below for exact sizing. To accommodate accessories used on wire shelves, liners must be custom cut. Please note in order special instructions box at checkout if needed.