The Access Toolbox Edition Soft Roll-Up Tonneau Cover makes every task you do, effortless. Equipped with a DeWalt™ ToolBox, this Access Tonneau is the real deal. The tonneau itself UV resistant finish and double reinforced commercial grade vinyl separates this real performer from the tonneau of fakes. Pun intended. Still flexible at under -40 degrees Celsius, it won't shrink or fade when exposed to the heat or to the toughest of climates. The added toolbox is essential for the person who needs a secure and ample storage container for tools, or equipment. Perfect for making it the only toolbox you ever use, why not, when this Access backs it by a lifetime warranty! The clamps inside the bed rails are composed of sturdy aircraft grade aluminum metal. Made with specially cut teeth that help maintain grip in your truck bed giving these clamps exceptional strength and unsurpassed quality!