Cutter Backwoods protects up to 10 hours against mosquitoes, ticks, biting flies, gnats, no-see-ums, chiggers and fleas. Perfect for prolonged outdoor activities. Contains 25 percent DEET. Protects up to 10 hours Repels mosquitoes, ticks, biting flies, gnats, no see ums, chiggers and fleas Contains 25 percent DEET