This non-oily, non-greasy insect repellent is great to have when fishing, hiking or hunting. OFF! Deep Woods Dry Insect Repellent protects against mosquitoes, ticks, biting flies, gnats and chiggers. With 25% of deet, this repellent provides up to 8 hours of protection against flying pests. Enjoy the great outdoors with this quick drying and non-greasy insect repellent.