Contains (20) solid fuel tablets for your Esbit stove or other folding stoves and canteen cup stoves. Generates up to 1400°F (760°C) of intense heat, providing about 5-7 minutes useable burn time per tablet. Virtually smokeless and residue-free. Can be used to cook and heat up food and beverages or be used to start campfires and grills. Weight: 4g each.