LINE-X is the industry leader in truck bed protection offering specially formulated polymers that permanently bond to your truck's bed protecting it from just about anything. And LINE-X protects more than just trucks. What LINE-X can do for truck beds, it can do for truck covers, rocker panels, fenders, bumpers, etc. As one of the nation's leading providers of spray-on protective coatings our products are utilized in commercial, industrial, agricultural, military and custom applications.