I was looking for a "big girl" twin bed for my 4 yr old daughter and after LOT's of shopping around decided to go with this bed. Although it is a tiny bit firmer than I would perfer it is a great bed. My daughter is sleeping through the night and loves it. I am a huge fan of Serta mattresses and are the only mattresses in our house, I have always found them to be of great quality so you know you are getting your money's worth. Delivery was AMAZING, the delivery guys were extreamly nice and set up the bed in her room and removed all boxes. I would definitely buy this again when my youngest daughter needs her "big girl" bed.