A unique natural essential oil based spray that provides insect repellency. Controls deer, house, stable, horse and black flies, ticks, mosquitoes and gnats on horses, ponies and dogs. Water based formula. Contains no pyrethrins, pyrethrums, pyrethroids or industrial pesticides. Alcohol and solvent free. Contains 1- 32 oz. bottle of fly spray, PLUS 1 free bottle of BugPellent concentrate to make another 32oz of fly spray!