• 1 GALLON • Sweat-resistant fly spray for horses. • Contains cypermethrin and pyrethrins and repelock/special conditioner that binds to hair shaft and won t sweat off. • Provides up to 14 days fly control protects against nuisance flies/ticks/lice//has sunscreen. • Thoroughly brush horse s coat prior to use , to remove loose dirt & debris. • If really dirty shampoo & rinse horse first wait for horse to dry completely before applying spray. • As protection builds, use every 10 to 14 days.