Ben Clothing And Gear Insect Repellent contains a 0.5% permethrin formula to repel and kill insects on contact. Easily apply to your clothes and gear with the 24oz ergonomic grip spray bottle to keep disease-carrying insects at bay (Do not apply to skin). The permethrin formula bonds to fabric fibers for up to six weeks to give long-lasting protection. Whether you are hiking, fishing, camping, or hunting, Ben bug repellent is the optimal choice for insect protection.