This Square unit is unfinished to allow the customer to finish with stone, veneer, or stucco to match their surrounding. The prefab structure take the guess work out of enclosure construction - especially with difficult shapes. The opening is designed for a 25" round firepit. The enclosure is 18" tall x 45" across and is constructed of sturdy 22 gauge galvanized steel material, welded frame, a 1/2" Hardiboard shell, and weigh 150 lbs. This item must ship on a skid, freight is included, however we ship only within the continental United States.