Paramount Indoor/Outdoor Eco Gel fuel is made from 100% clean burning Ethanol alcohol. It is safe and easy to use with no smoke, no mess and no fuss. The gel fuel crackles just like a real log fire, and emits 3000BTUs of heat which lasts up to 3 hours. This gel fuel is designed to be used indoors or outdoors. There is no pouring involved; place the can into a gel fuel appliance. Light the gel fuel with a fireplace lighter or long match. When you are done, extinguish the flame easily by cutting the flames oxygen supply with the lid or snuffer (not included).