Watkins Insect Repellent Lotion, with doctor recommended DEET(7,5%), is the most effective protection against the very serious threat of Lyme Disease, which can cripple or even kill if left untreated. Push spray bottle; DEET plus related active toluamides 7.5%, ideal percentage for family members of all ages. 3 hours of protection against mosquitoes that may carry the virus NIL. Fits easily with its small size.