Paper Unlimited's 18 lb. Engineering Translucent Bonds are designed for Diazo reproductions and low cost check plots. Compatible with Xerox, KIP, and OCE large format printers, our 36" X 500' translucent bonds are an economical choice for many reproduction and manual drafting- tracing needs. Please note, this product is not designed for archiving purposes. Paper Unlimited product number X18T36500 includes 2 rolls per package.