The main body is made of stainless steel, it is corrosion resistant and durable, and it does not rust and has excellent heat and cold resistance. You can also enjoy the unique baking color of stainless by putting it on a fire. The window is made of microcrystalline heat-resistant glass that is resistant to heat and looks clean for any time, does not leave dust, and ensures safety, while also checking the amount of charcoal and firewood in the fireplace, making it easy to manage the fire without opening the door. Size without chimney:11.8 x 8.7 x 14.6 inches (300 x 220 x 370 mm); Chimney size:? 2.5 x H7.4 inches (63 x 1866 mm); Storage size: 13.8 x 10 x 15.4 inches (350 x 255 x 390 cm) The Measurements allowed error is 1-3 cm Secondary combustion is placed on the bottom of the secondary combustion side panel, and the new warm air is sent to the combustible gas (smoke) that was not burned out due to the primary combustion and re-burns for improved combustion efficiency, smoke, and high flame power No Assembly Required: The main unit is designed as a one-piece item, so it is easy to use with no tools or assembly required. 1 X Stove Body 6 X Chimney 1 X Chimney with Damper 1 x Spark Arrester 1 xAsh Tray 1 X Storage Bag. There may be a burn mark after use, this is a normal phenomenon, and will not affect use.