ZERO ODOR is a patented technological breakthrough in odor control/elimination. Odors/Smells that we consider unpleasant all share a consistent set of traits -like a signature, which ZERO ODOR is attracted to. ZERO ODOR seeks out and irreversibility bonds with bad odor molecules, permanently turning them into non-odor molecules, unlike traditional air fresheners, which simply mask bad odors with a fragrance temporarily. Once ZERO ODOR is sprayed in the air (or on a surface), any unpleasant odor that ZERO ODOR comes into contact with is eliminated and is Permanently removed. ZERO ODOR has been tested by an independent laboratory and gases that represent the constituent elements of all known odors and in all cases, ZERO ODOR reduced the presence of odor to an immeasurable level, permanently. Perfect for: cigarette and cigar smoke, pet odors, burnt food, mildew, dirty diapers, vomit, bathroom odor, incontinence issues, fuel smells, sports equipment and any unwanted odor Our formula is Non-toxic, Non-irritating, Biodegradable, Cruelty free and safely used by customers around the world in: homes, offices, hotels, airplanes, boats, RV's, cars and much more. Simply spray ZERO ODOR where you have identified an unwanted odor and the irreversible bonding process begins immediately. Color: Clear.