SynergyLabs DSL00057 Fooey Ultra Bitter Gel with Sponge Applicator Dog Training Aids, 4.25-Ounce Fooey ultra bitter gel with sponge applicator The completely safe and effective formula can be sprayed and instantly transform it into an utterly distasteful object The new and improved formula with all natural bettering agents is guaranteed to work on dogs, cats, horses, ferrets, rabbits and birds They are unwanted chewing, licking, biting, ingesting and more It does not contains alcohol, won't become airborne, has no unpleasant odor and has a neutral pH