Contains (20) solid fuel tablets for your Esbit stove or other folding stoves. Can also be used to operate toy steam engines and other hobby items. Generates up to 1400 F (760 C) of intense heat, providing about 5 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.