This natural fly spray features an eco-safe formula that's safe for the entire family and the environment. Backed by the power of geraniol and six 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. Contains seven essential oils renowned for their fly repellent qualities. Repels and controls biting flies, mosquitoes and gnats. Repels ticks on horses, ponies and dogs. Features a fresh botanical scent. Leaves coats shiny. Ready-to-use, water-based formula.