I have tried several different types and they all smell to me. I have asthma, so a new mat needs plenty of time to air out for me. I stored it in the garage for several weeks.After a while during the day I took it out and layed it flat on my deck in the sun. If I would remember I would turn it a few times while it was out there. It took about two weeks of the sunshine treatment to get the smell off of it.