Duration&trade; Permethrin 0.5% RTU Protection for clothing to protect against mosquitoes which may carry Malaria, Chikungunya or ticks which may cause Lyme disease. For use on clothing, tents or netting Safe to use on natural or synthetic fibers on clothing, tents or gear. Offers up to 6 weeks of protection and lasts through 6 launderings SOAK METHOD NOT SPRAY. Permethrin is recommended by the CDC to treat clothing combined with use of a DEET repellent for skin Safe for use on childrens clothing.