This 36" Fire pit bowl is made from heavy gauge solid steel and can handle a lifetime of use. Great size for entertaining. Each fire pit comes in a "patina" finish that will gradually darken over time. A drainage hole is added to the bottom to let out rainwater and also help give better air flow to the fire. The steel used is 3/16" thick - perfect for heavy and repeated use all year long. No need for any additional maintenance or care. Just set out and enjoy!