Repellent Towelette repels mosquitoes, ticks, chiggers, fleas, mites, black flies, sand flies and deerflies.With the 30 percent active DEET formula, this convenient sheet is highly effective against West Nile Virus, Lyme disease, human dranulocyctis etc..\nIndividually wrapped in easy-to-carry foil pack with towelette pouch.