Polished concrete outdoor firepit, internal "key" valve (removable key) for gas flow. Special polished concrete finish all around, no absorption of fluids, handles rain, snow, direct sun just fine. Comes with all parts including height adjustable base bolts for leveling, 10ft hose, 20lbs propane tank (lasts for over 10hrs of moderate flame). Diameter 36 inches, 8in ring around rocks, 12 inches high. Bought for $2700 (on sale from over $3k) from custom shop in Vancouver (don't even ask the shipping price).