New formula contains prallethrin, a proven, effective synthetic substitue for natural pyrethrin. Prallethrin is exclusive to farnam for use in equine products. Repels and kills six fly species, mosquitoes, gnats, fleas and ticks. Size is 32 Ounce. Dimensions are 3.25 X 3.25 X 12.5 Active Ingredients: Prallethrin .033%, Permethrin .100%, Piperonyl Butoxide, Technical .500%. UPC Code = 086621023284