Repel Natural Insect Repellent DEET-Free, Pen-Size Pump Spray, 0.475-Ounce, 6-Pack REPELS: Use to repel mosquitoes outdoors. DEET FREE: Made with geraniol, a naturally derived essential oil. LASTS FOR HOURS: Tested to ensure effectiveness against mosquitoes for up to 2 hours. PROTECTION FOR THE ENTIRE FAMILY: Contains a natural active ingredient, perfect for use anytime youre outdoors where mosquitoes may be present. TRAVEL-SIZE SPRAY: Pen-size pump spray you can tuck in a pocket and reach for anytime to prevent mosquito bites and the itchiness that follows.