Contains natural essential oils of Citronella and Lemon Eucalyptus, the combination provides excellent natural protection against Aedes, Anopheles and Culex species of mosquitos widely known as transmitting vectors of Dengue fever, Zika virus, and Malaria. Provides long lasting protection up to 12 hours. DEET Free. Safe for infants & children. Ideal for both indoor and outdoor use. Directions: Tear off protection film and attach the adhesive side of the patch to your clothes or a location near you.