BedRug Bed Mat BMC07SBD fits 07+ SILVERADO/SIERRA 6'6" BED for trucks with a drop-in style bedliner Designed to fit over plastic, drop-in style bedliners and does not require you to drill into your truck bed. The bed mat will be secured using plastic plugs that are inserted into small holes that are drilled into the plastic bed liner, not the truck bed, leaving your factory finish maintained and protected by the BedRug Bed Mat. 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