Greenheat Cooker is especially designed for use where space and weight are an issue. Ideal for campers, walkers, cyclists and people who require instant cooking heat without the fuss or toxic fumes of a heavy, conventional stove.With its own unique, patented windshield and 2 Greenheat Camping Fuel containers this lightweight stove will provide approximately 1 hour of high heat burning time per fuel container. The fuel containers can be resealed if only partly used.