After reading all the reviews and doing all the research on foam mattresses, I chose this 11 inch thick mattress in a soft firmness. Have been sleeping on an extra firm mattress for years and wanted to be sure that I did not end up with a hard mattress once again. This one is perfect. Sleep like a baby and the pressure points do not hurt my hips as the other did. Morning backaches are gone. The mattress did not have an offensive smell for more than a few hours and I slept on it after 24 hours. All mattresses should be this easy to set up. It was facinating to watch it swell up to the 11 inch size. The size was true to the 11 inches stated and there was no trouble with the regular Queen sized sheets fitting over it. I would recommend this mattress to anyone, and at the price, how can you go wrong?