40% DEET. Outdoor professionals, sports & tradespeople often need a repellent that is super tough & very long lasting. This formula combines the staying power and resilience of Bushman DryGels in an easy to apply spray. Excellent water, sweat & rub resistance insures that no matter how bad the bugs, you will be protected for hours longer than with any other spray-on or roll-on repellent. Professional Strength, non-greasy,low odour. Sprays Upside Down! Shelf Life of 6+ Years.