I got a king size, and was able to put it together myself in about 2 hours which was nice (though I recommend having another person). 

Similar to other reviews, it’s too big for the mattress and maybe could have gotten away with a queen for my king (not sure though). I think it’s so you can tuck your duvet into the bed though. It doesn’t really bother me. 

It does looks really clean and mcm which is what I’m going for in my new condo. It feels pretty high quality and solid too.