Create a durable and long-lasting fire feature with this square fire pit liner. Designed for Diy outdoor projects, this liner provides a strong framework for both in-ground and above-ground fire pits. It is constructed from 2mm thick steel for maximum strength and coated with a high-temperature paint to resist heat and weather exposure. The bottomless design allows for natural drainage and airflow, helping maintain clean and consistent fires. It offers a generous burn area while keeping flames safely contained. The liner ships in four interlocking panels that are easy to assemble, making it a reliable foundation for custom-built fire pits. Whether used in a backyard, on a patio, or at a campsite, this square fire pit liner delivers lasting performance and supports creative fire pit designs with both structure and safety in mind.