BedRug Bed Mat BMC07SBS fits 07+ SILVERADO/SIERRA 6'6" BED Designed to fit truck beds without an existing bed liner and will also fit over a spray-in bedliner Slip and skid resistant fiber - 100% Polypropylene  ultra tough work surface Superior comfort  cushioned and knee friendly Waterproof, chemical, & stain resistant. Designed for exterior use  will not absorb water Made in the USA