Bleuet Lightweight Pocket Stove Combo Lightweight Compact Solid Fuel Stove w/ additional 12 Fuel Cubes made of galvanized hardened steel weighs 3.25 oz Fuel Cubes burn for 19 minutes at 1300 degrees Solid Fuel Cubes can be extinguished and relit , reusable , non toxic, biodegradable and leaves no residue