Well...I waited a month before I reviewed it to give me time to really try it out. I always wanted a Memory Foam mattress but could never afford the name brand models. My old mattress was worn out and the pressure points were killing me. I had to sleep on my sides because the back support was so poor and when I did I constantly battled my arms going numb. I found this product and after comparing the ratings and the great price I gave it a look. I was hesitant about buying a mattress online but with the reviews I gave it a try. I ordered and it came in about 3 days. It came in the big box that I drug inside. I removed the old mattress and put it on the bed. I cut the plastic off and it immediately began expanding. It does unfold upside down so I had to flip it. It did have a pretty strong smell but it was not unbearable. It completely dissipated in 2 or 3 days. It took 6 hours until it measured the full 10 inches. We tried it out that night and I was really impressed. It is hard to describe but the mattress if firm but soft at the same time. You fell like you have plenty of support but it conforms to your shape and eliminates the pressure points. I noticed I did not have the sensation that I was laying on a flat object like the spring mattress. I was concerned about some of the other reviewers complaints. Some said the mattress is really hot. While it does hold heat it is not uncomfortable and I am a very hot sleeper. Other said bigger people would have a problem. I found that not to be the case. I am 250ish and it supports me fine, even when I am laying very close to the edge. I did not find that the mattress collapsed and squished in if you slept or sat near the edge. The other thing was some said the mattress became very soft after a couple of weeks. I have had it over a month and can tell no change. All in all I am very satisfied. The problem of my arms going to sleep has nearly went away. It is now comfortable for me to sleep on my back and stomach which I have not been able to do in years. For the price this is the best investment I made in a long time. I should have did it years ago.