Sold as 1 Each. Bag-on-Valve aerosol spray is powered by compressed air. Active ingredient, Thymol, is made from essential oils (a component of Thyme Oil). EPA Registered. Kills 99.99% of bacteria and viruses* botanically (*refer to product label for details). No rinse required even on food contact surfaces. Made in the USA. http://sds.staples.com/msds/2719356.pdf. 13.9 ounce can. Disinfects and deodorizes. Eucalyptus, Spearmint Thyme scent. Non-flammable.