Keep Lyme-diseased and West Nile virus-carrying ticks and mosquitoes off your back while enjoying the outdoors. These powerful wipes repel black flies, ticks, chiggers, mosquitoes, deer flies and other biting insects. This 30% water-based, non-alcohol DEET formula gives you up to eight hours of protection in moderately to heavily infested areas. 12 individually wrapped wipes per box.