Plant-derived solid fuel means virtually odorless combustion gas. Safe for the human body and the environment. Product Features: Can be ignited even when wet, and can be used in light rain. Quick firing possible. Burns approximately 5 minutes per 0.5 oz (14 g) block (over 6 minutes for boiling 16.9 fl oz (500 ml) of water). Fuel can be easily cut with a knife, safe to store and carry with food. Can also be used for hand sanitization. 91% Tanol. , 9% congealing agent Natural fire temperature: 363 degrees F (363 degrees F (does not ignite themselves); Weight: 0.4 oz (14 g) per piece; Note: After ignition, solid fuel will be liqueated. Please use a dedicated stove (sold separately) or a stove with a structure that does not spill liquids. Recommended for use within 5 years from the manufacturing date (based on the sticker on the inside of the 6 pack) Vaporization after opening the individual package. Please use as soon as possible *This product is only solid fuel and does not include a stove.