Bedrug's truck bed mats TPO foams offer's a broad range of performance attributes – ranging from softness and flexibility to thermal stability – it is a closed cell construction, which will not absorb moisture, and is similar to the foam used in life jackets. It can be fabricated into a variety of parts that are suitable for exterior applications. In BedRug’s case, those additional materials include 100% polypropylene plastic non-woven "carpet" and the TPO composite that creates great truck bed mats and a great BedTred. Warranty