Item No: 00-0516 Brand: LippertMfg No: V000139496Wt: 43.50UPC: 848150015716
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 134 to 139-3/4 inch width box.