The Natrapel Picaridin Insect Repellent - 3.4oz provides up to 12 hours of effective protection from mosquitoes, ticks, and other biting insects. The active ingredient Picardin is recommended by the CDC to repel disease-carrying insects, including ticks and mosquitoes that may carry Lyme disease, Zika virus, malaria, chikungunya, and more. Bring this family insect repellent on hikes, camping trips, and backyard barbeques. The portable 3.4 oz. bottle is the perfect travel size bug spray, as it's the maximum size approved for airplane travel by the TSA. In addition to being an effective tick and mosquito repellent, Natrapel also repels chiggers, gnats, black flies, and other biting flies. The perfect fishing or hiking bug spray, Natrapel is safe to apply to your clothing and gear, as it won't harm synthetics.