Yes, it is rattle can and Herculiner truckbed liner. I did it after a wreck. I did a thread on it and got accosted by the purists, but I love it. Here is the original thread.
http://vehicross.info/forums/showthread.php?t=9222
The key to getting rid of the lines is sanding between coats with the finest paper you can find. The last coat I just kinda rubbed with my bare, wet, hand.(stop getting excited you sicko)