Cutter Backwoods Insect Repellent Pump Spray, 6-Ounce REPELS MOSQUITOES UP TO 10 HOURS: Formula contains 25 percent DEET. SWEAT RESISTANT: Wont sweat off  lets you be active in the outdoors even in warm, humid conditions. PUMP SPRAY: Perfect for hiking, camping and other outdoor activities. REPELS MOSQUITOES, TICKS, GNATS, BITING FLIES, CHIGGERS & FLEAS: Create a barrier against annoying bugs that can spoil the outdoors. REPELS A VARIETY OF MOSQUITOES: Effective against mosquitoes that may transmit the Zika, West Nile, Dengue and Chikungunya viruses.