this is such a great mattress topper. so thick and comfortable. my back feels amazing in the morning and no longer hurts like it used to. would have been nice if it were a tad bit firmer, but honestly after sleeping on it for a week i absolutely love it. you gently sink into it and it feels like you're sleeping on a sheep. when you get up it plumps back up and retains its shape.  worth the price. i would say the only negative was waiting for it to air out when i first received it because there was a strong odor to it. but that dissipated after a few hours. shipping was super fast and the packaging was easy to remove.