It's about time - a DEET-free insect repellent that really works!12 hours of protection against mosquitoes & ticks8 hours of protection from biting insectsCDC-recommended 20% Picaridin formulaCompletely safe on gearUnlike 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. The TSA 3.4 oz. travel size allows you to bring the maximum amount of Natrapel 12-Hour Insect Repellent with you wherever you fly.