Read All Serta Deluxe 12-inch California King-size Memory Foam Mattress Reviews

My back has NEVER hurt so bad! It's been over a year now and the mattress is SO broken down! Sinks in the middle! I am so upset!

Got this for my son, who on the fly needed a new bed. I came in a box! We didn't even know it was the bed but he said it's the most comfortable thing he's slept on.

We have had our mattress for about three years now and still have not started to give or change shape. My Husband and I are not the heaviest but still it's amazing that it has still holds for a memory mattress for so long.

This bed is not a good option for anyone over a 100lbs. I did plenty of research before purchasing this one. It was described as a firm comfortable sleep. It is not that! Like I said immediate holes and looking for a new bed right away.

I purchased this in Nov. 2014. Within weeks it was permanently deformed into 2 valleys that my wife and I sleep in. I expected the bed to last 10 years. I'm replacing in now in May 2016, so just 18 months.

I am very happy with this purchase. I have gone through several mattresses and toppers to achieve a firm comfortable and sound sleep. This was the answer!! Be patient if at first you feel a slight bump in the middle or the corners have not expanded all the way. I almost returned my mattress because of these problems, but they resolved themselves in 7 days. It is perfect now and and I wish I had found this before all the expense I went through.

I thought this mattress was going to be on the firm side because that's what I put in my description on the search engine, but its not firm at all its ok but not as happy with the mattress as I wanted to be. Wanted to send it back but trying to wrap up a mattress is not that easy to do.

My last pregnancy, every morning i woke up with back pain. When we found out we were pregnant this time we immediately ordered this mattress because of a recommendation . It is wonderful . it takes about two weeks for it to expand to the full 12 inches. I recommend it for heavier set people. I am only 130, but with pregnancy it still supports very well. my husband is 250 and it supports him very well. Also my parents have had this mattress for 3 years and they haven't seen any sagging at all . I am very happy with this purchase

I love this mattress. It's not as soft as I thought memory foam would be but it's really comfortable. I Have slept on it for about a week now. I definitely recommend it.

I love it. Right firmness

Product arrived as promised. Quality is as stated, but size is a little bit off.

Took a chance ordering this mattress and could not be happier. Both my husband and myself are sleeping better and even the dog refuses to get up in the morning! I totally recommend this mattress. (I have experience with some memory foam mattresses that are a little less costly and this one is definitely better.)

This mattress is great. Besides the fact that it had bed bugs. I've had it for two weeks. I kept getting bites on me and then finally today it added up to what it was. I googled images of my bites and they were that of bed bugs. No way I thought it would be that because the mattress came sealed in plastic. There's an exterminator that is at my home right now taking care of the issue. He informed me that he's 100% positive they are from the mattress since it's the only mattress in my house outta three that has bed bugs. People need to know this. Thank god I caught this in time before I had a bigger issue. I hope that overstocked will pay the exterminator bill for me or refund the money for the mattress. I've never had to deal with bed bugs before and it's kinda traumatizing. I hope there will be compensation for the hassle this has caused.

Great mattress. Highly recommend. Be aware memory foam only lasts about 7 years, but what a 7 years it will be

I ordered this mattress I was surprised it came in a box but after I put it on my frame cut the wrapping that it was and it opened up and fluffed up to the size it was supposed to all the folds came out of it within an hour.Good mattress good price

I love this mattress!! We used to have an 6" foam mattress (off name brand). This is the most comfortable thing I have ever slept on!

Still too new to review but it sleeps well. Says Serta, but it is actually made by another company for Serta. It is American made and seems to be the best bang for the buck.

The mattress was a great deal, but it is way too firm. We bought a topper to go on it after months of restless nights. With the topper, it works out really well.

I read the other reviews and they are pretty much what get.

OK, if you think your getting a temperpedic for a quarter of the price, you're not. It's a pretty good imitation however. It settled into shape in about 24 hours and there was very little odor which dissipated quickly. It's a bit softer and bouncier than our temperpedic, but for four or five nights a month at our weekend house, it been an acceptable alternative. I am guessing that if you have never had a temperpedic you would be pleased with this mattress which is big upgrade in my view my an inner spring style mattress.