So far I am very impressed with this mattress. It does come in a box and is almost 100 lbs in weight so I didn’t expect that and had to have help getting the box upstairs. I opened the box and placed where it was going to be at because after you let it sit it is still heavy. I let it sit out for 4 days before sleeping on it and it says it is a medium in stiffness but it feels pretty solid right now so I added a topper to it. This is a product I am very happy with so far but also one of those type of products that I will do another review in 6 months to see if I am still happy.