I was really nervous about ordering a mattress online because it is a big and important purchase! Im so glad that I settled for this one because I couldnt ask for a better mattress. My husband has arthritis and I have back problems - after the first night of sleeping on it we felt like new people! Very comfortable, not to hard but not to plush. It came neatly packaged and expanded to the full 9 in about 12 hours. Very little smell. This was a wonderful purchase and I highly recommend it to anyone looking for a great quality mattress!