Durable Steel Construction:; Made of 3.0 mm thick high-temperature resistant carbon steel with a matte black powder coating, offering excellent corrosion and rust resistance while withstanding extreme heat and harsh weather.Large Diameter:; Measures 36 inches outside and 30 inches inside, with a 9-inch height to accommodate more firewood and charcoal, promoting better air circulation for efficient burning.DIY Versatility:; Can be used alone as a fire pit liner or combined with bricks or stones; the bottom can be buried for an underground fire pit setup.Easy Installation:; Consists of eight steel panels screwed together securely, featuring smooth, flat edges for safe handling without scratches.Wide Application:; Easily disassembled for storage and transport, perfect for creating custom outdoor fire pits in patios, campgrounds, or backyards for safe bonfire gatherings.