Features: This is outdoor stove that can used for brewing, boiling water, and cooking food, meeting the needs of outdoor picnics. Make of stainless steel, cold-rolled sheet and coppers materials that are resistant to highly temperature and corrosion, it have good durability and long service life. Easy to carry and store, occupying less space in backpacks or luggage, making it suitable for outdoor activity and camping trip. It provide the ability for efficient combustion and rapid heating, saving time and energy. Suitable for outdoor lover who enjoy outdoor activity, camping, and hiking, providing convenience cooking tool. Specifications: Materials: stainless steel, cold-rolled sheet, coppers Styles: Black Five Cores Furnaces/Green Five Cores Furnaces/Black Three Cores Furnaces/Green Three Cores Furnaces Five Cores Furnaces expansion size: about 20x20x11cm/7.87x7.87x4.33inch Three Cores Furnaces expansion size: about 15.5x15.5x11cm/6.1x6.1x4.33inch Package Includes: 1pc Furnaces Burners note: Please allow 1-2cm errors due to manual measurement, make surely that you not mind before order. Due to difference between different monitors, the picture may not reflect the actual color.