Item No: 00-0505 Brand: LippertMfg No: V000163279Wt: 21.50UPC: 848150015419
It is made of anti-scuff/ anti-mildew fabric and has white castings. It automatically extends or retracts with the slide-out and extends up to 50 inch. It is used for 68 to 73-3/4 inch width box.