The Ben's 30 3.4oz Pump from Adventure Medical Kits is special formula made to slowly evaporate and stay on the skin longer. It offers protection from ticks and insects that may carry West Nile Virus (WNV), Lyme disease, Malaria, Eastern Equine Encephalitis (EEE), and other infectious diseases. TSA compliant size.Specifications and Features:TSA CompliantThe largest bottle available for carry on luggage when your adventures take you out of town.Handy Pump SprayThe most popular delivery system on the market makes it easy to apply.CDC-Recommended Formula30% DEET is the minimum % recommended to guard against diseases transmitted by insects.The Best Deet Formula for your SkinWater-based formula stays on skin's surface rather than being absorbed.Fragrance FreeSmell the great outdoors, not your repellent.