Dead Down Wind ScentPrevent Dryer Sheets have the power of enzyme technology. This technology is the most effective dryer sheet for all hunting apparel, including carbon. For best results, be sure to use the full ScentPrevent system of laundryas well as body, and field products. Use one dryer sheet for small loads and two for larger loads. Make sure that big buck doesn't get a whiff of your scent with the full line of ScentPrevent products. the Dead Down Wind ScentPreven Dryer Sheets come in a package of 15 count.