This thing really works and is cooler that normal mattress and it is really comfortable! Highly recommend.

The product, as advertised, offers an excellent fit and a superb sleeping surface.

It's very comfortable and nice

Very firm. Overall nice quality but this is not soft and cushy at all. It’s very firm for a topper. If you don’t put the cover over it , you will sleep hot on top of it. Mine had no smell when I unwrapped it.

I couldn’t be happier with my purchase of the Serta 3” Cool Nights Gel Memory Foam Mattress Topper! From the very first night, I noticed a huge improvement in my sleep quality. The gel memory foam strikes the perfect balance between soft cushioning and firm support — it contours to my body without making me sink in too much. It feels like I bought a brand-new mattress for a fraction of the price.

I bought this topper for my 18 year old sons mattress. After sleeping on it one day he told us it was “the best night sleep he ever had”! Needless to say he loves it! He is an athlete and needs a good night’s sleep to recover. This was an excellent purchase!

This bed topper is absolutely AMAZING! The foam is so soft, yet so firm! The cooling effect is my favorite part. There is a noticeable different. This took my bed from 10 to 100! If you’re looking for a sign to just buy it, this is your sign! Your back will thank you!

We have an 18" King mattress and were worried our sheets wouldn't fit but our Giza cotton sheets fit right over it. It's comfortable and not as hard as a former foam topper we had. It really doesn't have much of a noticable cooling effect. We did have our heavier mattress cover on it, instead of the one that comes with it. We thought that might be the issue with no cooling and changed the covers out. But, there really wasn't much of a difference. Also, I am very reactive to smells and it really didn’t have any type of chemical oder. It fluffed up in one day and we slept on it that night. All in all, a good product at a good price and it saves us from having to buy a new mattress for awhile.

This has 0 support, and you feel like you're sinking all night long.

It’s amazing once you get into the bed. Getting into it is a mission though.