Very cheaply constructed metal framing. The framing bends very easily and will not support snow and not rated for snow. The framing bends very easily with any amount of weight on top. If the company would supply replacement pieces for the framing at a reasonable cost, I would feel different, however the are out to rake you over the hot coals when it comes to parts. For example, the entire unit including canopy, framing, bungee cord ties, temporary hold down stakes, and some rope costs roughly $130. The framing has approximately 30 parts. I called the company to replace a total of 6 of the pieces to the framing and they want $10 per part. The framing alone in the case would be $300. Each replacement part is double to triple the cost as opposed to purchasing the entire unit. Junk item IMO and a total rip off when it comes to the replacement parts.
