Ben's 100 Tick & Insect Repellent's maximum strength 100% DEET formula repels biting insects for up to 10 hours. Ideal for camping hiking and hunting this outdoor insect repellent is proven to repel ticks and mosquitoes that may carry Lyme disease Zika virus West Nile virus and dengue fever. Ultralight and packable the 1.25 oz. bottle is the perfect travel size bug spray that won't weigh down your pack. The ultimate protector from ticks and mosquitoes Ben's DEET provides rugged all-day protection that's made and tested in the backwoods of New Hampshire.