This square fire pit ring is made from high-temperature resistant carbon steel with a matte black powder-coated finish for durability outdoors. Its 42" x 42" outer size and 36" x 36" inner opening provide ample space for firewood and airflow. The design can be used on its own or integrated with bricks, stones, or other landscape materials for a custom fire pit setup. With 8 panels and included hardware, it is designed for quick assembly. It is well suited for backyard, garden, patio, and camping use.