Do not buy this mattress. I broke out in a rash that is still not fully recovered. I also started having breathing difficulty. I couldn't figure out what it was until I started reading some of the other reviews. Others had the same symptoms, that I actually went to the Dr. for. I spoke to Amazon and they said they were going to look into it. That was a month ago and this item is still up. Since I got rid of the mattress my sore throat started going away, rash was getting better and my breathing is gotten noticeably better. This mattress is primarily made out of fiberglass(almost 70%), and you can definitely tell. In looking into this it seems there is currently a class action lawsuit against Amazon and the seller from what I can see online. Also its been weeks and still have not received my refund. Pleeeeease don't buy for yourself and especially don't buy for children or vulnerable persons.