Dust-Off compressed gas dusters provide potent dust-removing power for practically any task. Use in your office space to clean keyboards, CPU, laptop, or desk area. Great for removing dust around the home like window blinds, collectibles, sewing machines, holiday ornaments, craft projects and silk flower arrangements. Includes extension straw to get into hard to reach places. Contains a bitterant to help discourage inhalant abuse. Each can includes 7 oz. Sold as a pack of 3 cans.