I looked into those other spray on liners. But I liked the sound of this special one American does. Boy am I glad I did. I've hauled rocks, logs, lumber, paver stones (all of this just thrown into the truck, not neatly placed) and after I wash it out, it looks like the day I picked it up from them. No chipping, no scrapes. I'm impressed and would do this with all my trucks from now on