I purchased the Comfort Dreams 4.5 inch full size memory foam sofa sleeper mattress online through Overstock. It was delivered in 12 days. It was delivered sealed/wrapped in plastic. The air being sucked out had made it flat. Once opened it took a couple days for the air to completely fill it out again. But once it was completely restored to it's full shape and was surprisingly comfortable. It's a little firm, but that's the way I like it. It's alot better that the mattress it replaced . The old mattress you could feel the sofa support springs beneath you. With this mattress so far you don't feel a thing beneath you. Based on the advertised full mattress size in perfectly fit inside my sofa bed. Consider the fact that I just purchased this mattress 2 weeks ago. If it continues to stay as good as it arrived I will be very pleased.
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