Cutter Backwoods Insect Repellent Pump Spray Protects up to 10 hours against mosquitoes, ticks, biting flies, gnats, no-see-ums, chiggers and fleas. Spray upside down for easy and complete repellent application. Repels mosquitoes that may transmit Chikungunya virus, Zika virus, Dengue virus and West Nile virus. 25% DEET