This is an heavy duty commercial grade 6x12 trailer with tube frame wall and roof bows and .030 metal walls for extra strength and rigidity and less exterior ripples in the metal. Interior floor is high grade 3/4" plywood. Walls are also high grade 3/8" plywood with plywood trim prices. Lights are all LED. The roof includes an interior thermal liner. Tires are all radials. Includes a limited 5 Year warranty!