Beautiful, but it was incredibly difficult to assemble. I know a lot of people said it was easy, but as a young woman, I just didn't have the strength in my thumbs to insert all the tiny plastic pieces without it being excruciatingly painful in the end. I'm not saying that to scare you - just know what if you don't have strong hands, it can hurt. I was in tears in the end. I'd recommend getting someone to help you. Additionally, the long metal bar that's wedged into the headboard was not fitting and I had no idea why. I finally had to use a mallet to pound it into place. It's probably the hardest thing I've personally ever assembled due to the pain-factor.
Once the bed was done, it was very solid and high-quality. It works perfectly fine as a twin-size day bed. If you're making it a king size, I'd recommend getting a twin-to-king mattress converter. That eliminates the painful gap in the middle. For extra comfort you can add a king-size mattress topper, but I didn't do that due to lack of storage space (if I had the space I wouldn't need the trundle bed). Alternatively, it's more comfortable to sleep on it horizontally instead of vertically because of the gap in the middle.