30% DEET Wilderness Formula. Offers protection from ticks and insects that may carry West Nile Virus (WNV), Lyme disease, Malaria, Eastern Equine Encephalitis (EEE) and other infectious diseases. Providing up to 8 hours of effective protection. Ben’s 30%s unique formula is made to evaporate slowly – so repellent stays on longer with little absorption into the skin. Fragrance Free. TSA 3.4 fl. oz. travel size pump spray allows you to bring the maximum amount of Ben’s 30 insect repellent with you wherever you fly. Bulk packed. Don’t Get Bitten, Get Ben’s!