This is the most innovative and unique truck bed liner there is and it’s ultra-tough being made out of 100% polypropylene. Get a free 4×6 sample today. How to get free sample: Visit the companies website by clicking “Get This Offer (External Website)” Enter your address and other shipping information Hit “Submit” and wait 4-10 weeks (sometimes longer) for your free sample! * US Only. Limit one set per household. While supplies last. Please allow 4-10 weeks for delivery & processing. Samples may or may not come depending on if the company can fulfill the samples or not.