This natural UltraShield fly repellent features an eco-safe formula that's safe for the entire family and the environment. Backed by the power of geraniol and seven fly-fighting natural oils, you can use UltraShield Green natural fly spray for horses on ponies, foals, and dogs-plus it's guaranteed to work or your money back. | Absorbine UltraShield Green Natural Fly Repellent lon | Size 1 gal