The Cutter Backwoods Insect Repellent provides long lasting protection, up to 8 hours. Proven effective under the most severe conditions, Cutter Backwoods Insect Repellent protects against mosquitoes, ticks, biting flies, gnats, no-see-ums, chiggers, and fleas. Perfect for hikers, hunters, and fisherman in the deep backwoods.