Repel Sportsmen Gear Smart insect repellent provides long-lasting, effective protection from mosquitoes, ticks, biting flies, gnats, chiggers, sand flies and fleas. Pump spray bottle allows for easy application; single application is effective for up to 8 hrs. Unscented formula is not oily, greasy or sticky; won't damage fishing lines, plastic or other synthetic materials. 15% Picaridin. 6 oz.