Coghlan's Mosquito Coils, 4-packs w/10 coils per pk - for Camping, Picnics, BBQ, Deck, etc - #8688 4 Packs of 10 Coils - 40 Coils Total Great for any outdoor activity! Buy more, be safer! Each Coil Lasts Approx. 8 Hours Quick Working Mosquito Repellent Each pack includes two metal stands