Off! House/Yard Mosquito Coil Refill 5 Count Burning coil provides protection against mosquitoes and other potentially dangerous insects Single coil repels insects from a 100 sq. ft. outdoor area Each coil lasts up to 4 hours, so you can enjoy your backyard or picnic area without constantly reapplying a spray repellant Light the outer end of the coil until it glows, then blow out any flame to begin repelling insects Contains a total of 60 country fresh scent coils for long-lasting protection