Have been sleeping on this Mattress for about 2 weeks. Comfortable, firm. I have chronic lower back pain and this mattress seems to help. This mattress is very firm and the cover is not removable or the warranty is void. Wish I would have known that prior to buying. Now I am looking for a mattress pad, which will be an additional expense. If I had to do over again, probable would have gone to a retail store to see what I was buying first, as this is a non returnable item.