This octagonal fire pit ring is built with 2.5mm thick heavy-duty steel plates covered in high-temperature anti-rust black coating. The eight-panel bolted structure enables easy disassembly for portable camping use. With a wide octagonal frame, it holds large amounts of firewood while containing flames safely to protect surrounding ground and vegetation. Perfect liner for in-ground backyard fire pits, campsite bonfires and outdoor gathering fire rings. | Oumilen | | Octagonal Fire Pit Ring, 2.5mm Thick Heavy Duty Black Steel Liner Fire Pit Insert for Outdoor Camping Backyard | Best Buy