It's pretty nifty. We got it for our teenage son as he has back problems and the last mattress was just way too soft and thin. He says that it's much more comfortable and he has no problems with it. It's been 4 days now so hopefully, it'll be good going forward.
The only thing I'm hesitant about is that when I lay down on it, it was softer and had less support than I was expecting but if it helps his back and he feels comfy on it then that's the main thing.
Good service, great delivery.