Loop band around wrist, ankle or belt. Place the pointed tip through the top hole and adjust the size. Fasten by putting the tip through the desired slot on the band. Allow 10-15 minutes to activate. When not in use, please replace in resealable bag. In regions where mosquitoes are very active use the bands in conjunction with other forms of protection. Effective for up to 120 hours when kept in resealable bag. Suitable for all outdoor activities including swimming. Active ingredients: Citrepel.