We put this on top of our Select Comfort bed (7000 model from 2008)...don't get me started on those rip offs. But with this topper.....oh it's a totally different bed! It's luxurious, enveloping yet supportive, and just far beyond our expectations. We thought we were going to have to ditch the expensive bed and get a new one and just deal with the loss of money wasted on the bed but with this topper, we don't need to! Now we keep both sides inflated to 100 and leave it alone. With this topper, our bed is better than anything I've ever slept on and hubby agrees.