100% Natural Anti Mosquito-Insects Repellent Bracelet Refills by Noshi Outdoor prevents Bug bites-Deet Free Refills act as Bite Blocker & Pest Repeller-Essential Oil based-Safe for children-4 Refills Made with Natural essential oil ( No Deet, No Chemical) works faster than spray Each refill lasts for 15 days and can easily be replaced inside the band's protective Provides immediate protection and begins working much faster than harmful and messy sprays Breathable and lightweight band provide protection 24 hours a day in all environments - from lush tropical climates to deep wooded forests Store in a resealable bag to preserve effectiveness