It's about time - a DEET-free insect repellent that really works! Natrapel® provides 12 hours of protection against mosquitoes & ticks and 8 hours of protection from biting insects, thanks to its CDC-recommended 20% Picaridin formula. Unlike ineffective DEET alternatives, Picaridin is the only formula that consistently shows equal or better performance than DEET in independent, clinical tests. Even better, Natrapel® 12-hour is completely safe on gear and will not melt jackets, fishing line, and other synthetic materials. TSA approved 3.4oz. travel size allows you to take it with you wherever you fly.