Dust-Off disposable dusters provide potent dust-removing power for practically any task. Ideal for cleaning technology like keyboards, laptops and CPUs. But it's not just for electronics! Dust-Off dusters are also great for cleaning items in the home such as collectibles, window blinds, lamp shades, craft projects and sewing machines. Each duster includes extension tube to get in hard-to-reach places. Contains a bitterant to help discourage inhalant abuse.