As others have said, I wouldn't want this bed to be any firmer as it is quite hard at first. I have had mine for 5 months now and it is loosening up some. The smell was strong for the first week and we aired it out in a spare room. Smell was mostly gone by 2nd week. Not as good as the name brand you see advertised on tv but a good product overall. Certainly would be good for guest room mattress or those who like pretty firm mattress. It did help my back quite a bit. While I still have some soreness when I wake up in my lower back, switching from a select comfort to this made a big difference.