Be prepared to cook food or light a fire with this 20-pack of Esbit 4 Gram Solid Fuel Tablets. Simply ignite with a match or lighter for 5 minutes of virtually smokeless and residue-free heat. Designed for use in solid-fuel stoves, the tablets can also be used as a fire starter for a campfire or charcoal barbecue. They are also used in toy steam engines. Solid Fuel Tablets are effective even at high altitudes or in extreme cold, and can be stored for up to 10 years.