Bitter YUCK! No Chew Spray is a water-based spray that deters your horse from inappropriate chewing. It's perfect to use on blankets, bandages, tack, and more. Bitter YUCK! No Chew Spray has a bitter taste, is alcohol-free and will not sting your horse. It is non-staining and safe to use on sores, wounds, and over topical medication. It is also safe to use on trees, plants, and leather. Bitter YUCK! No Chew Spray can also be used to stop dogs and cats from unwanted chewing.