This mattress came rolled up (compressed). It has a soft white cover which can be unzipped and washed, I think. It was heavy but I was able to lift it by myself and drag the box up a flight of stairs. I have never owned a memory foam mattress before so I was expecting it to be lighter. When I got it upstairs, I removed the packaging, and unrolled the mattress, which decompresses into its original form.
The mattress is as supportive as my regular mattress. I consider this one to be firm. I would recommend this mattress. There is an odor which is similar to latex paint, but it is fading. I have been sleeping on this mattress for a week and it I love it.