Revenge, qt, ready to use, equine fly spray, .2% permethrin, .48% n-octylbicycloheptene dicarboximide & .1% pyrethrins, plus citronella, weather proof feature binds to hair shafts to repel & protect animals from insects, rain, dust & dirt for up to 14 days, use as a spray, wipe on, or roll on to kill & repel over 70 species of listed flying & crawling insects, on horses, ponies, foals, dogs & in & around premises, a most excellent & pleasant to use product, will not harm harnesses.