Lightweight concrete: This fire pit is constructed with durable lightweight concrete which can hold a substantial amount of weight. The removable tabletop is finished with a natural wood look. 50,000 BTU: featuring a BTU of 50,000, our fire pit provides plenty of light and warmth. Please note that this fire pit is propane gas only. Multi-functional: This accessory includes a removable tabletop on one side, making this both a coffee table and a fire pit. the hidden storage space comes with a drainage hole. Weather resistant: This fire pit table is designed and tested to resist mild weather conditions. We always advise covering, storing, or providing other protection to our furniture in the event of heavy or repeated exposure to the elements, including water and UV rays. Please note that tank holder is not included.