When you purchase a report cover from 11x17.com, you'll know that it's the highest quality available anywhere. We've been leaders 11-inch by 17-inch office products since 1994, creating innovative products. This 11x17 yellow polyethylene pressboard report cover is made from recycled material. It's flexible yet very durable, with metal prongs and slide bar locks that hold paper securely. Screw posts can be added to increase page capacity. The package includes 6 report cover sets.