Water-based aerosol. Don't let the bed bugs bite. Kills Bed Bugs: House dust mites. Lice, ticks & fleas. Kills house dust mites through contact for up to 8 weeks. To The User: If you cannot read English, do not use this product until the label has been fully explained to you. Steel. 24 hour medical emergency: 1-866-836-8855. Federal regulations prohibit CFC propellants in aerosols. www.spraywayretail.com. No CFCs: Contains no CFCs which deplete the ozone layer. Made in USA.