I purchased a king size. Shipping was fast. It was packed well and all the parts were there. Nothing was damaged.  My 9-year-old daughter and I put it together.  Assembly pretty straightforward.

The bed does appear to be sturdy. I have a low profile box springs and I put that on top because the wood slots that came are very flimsy.  I didn't feel confident that laying my mattress on top would be a good idea in terms of support.  The frame itself feels very sturdy with my mattress and box springs in it.   I slept on at the last four nights and all is well.   I will revisit this in about 6 months and we'll see how it holds up over time.