Good quality of greenhouse structure! However, there were some whopped boards, wood peelings, and wood peeling on the shelf inside the greenhouse.  One board by the window was cracked but my husband was able to fix it. The manual directions on how to build the greenhouse was off a lot so we had to rotate between the book and the app to correctly build it. This took additional time. With three of us building it, it took about 7 days to complete. Overall, I’m happy with my greenhouse but time will tell how it will hold up with outside weathering.