W4W Mosquito Repellent Coils - Outdoor Use Reaches Up to 10 feet - Each Coil Burns for 5-7 Hours (Three Pack Contains 12 coils & 6 Coil Stands) 3 Pack (Contains 12 coils & 6 coil stands) EPA Approved Each Coil Burns for 5 - 7 Hours One Coil covers up to 10 feet These Mosquito insect repellent Should be Used only outdoors. It is perfect to use for Patios, porches, Camping trips, Pool areas, backyards and any outdoor activities