Skip to Main Content
Sam's Club
Sam's Club
All Departments
All Services
Customer reviews for MOLECULE CopperWELL 12" Gel Memory Foam Mattress for
MOLECULE CopperWELL 12" Gel Memory Foam Mattress
4.7 out of 5 stars
stars
171 ratings171 reviews
  1. 5 stars85% (146)
  2. 4 stars8% (13)
  3. 3 stars3% (5)
  4. 2 stars1% (1)
  5. 1 star4% (6)

Member photos

  • +31 images
Sort by |
Showing 11-20 of 171 reviews
Aug 26, 2026
Reviewer name: DoingMyOwnDing
5 out of 5 stars
5 out of 5 stars review

A Great Night Sleep

[This review was collected as part of a promotion.] I have been in the market for a new mattress for a few months now. Previously we owned an 8 inch box spring mattress so I was a little skeptical when changing to a memory foam mattress. After letting the mattress sit for 24 hours after opening so it fully expands, we placed it on our frame. The first thing we noticed was the much needed change in height. With a thick mattress we could not more easily hop in and out of bed without having to bend too much. The mattress also provides a medium firm amount of support with is great for our backs. Since changing to this mattress we have had great nights of sleep. The only thing I would change about this mattress would be to introduce a cooling laying since it is a little warm and we do live in a warmer climate.

Review from The Insiders
Helpful?4O8WRPUAIC2A19534904644
Aug 21, 2026
Reviewer name: Mattb2
5 out of 5 stars
5 out of 5 stars review

Love it!

[This review was collected as part of a promotion.] Love this mattress! It is firm and supportive. It was easy to set up and quickly inflated out of the box. I love how plush and comfortable the foam is. I have been getting great sleep ever since receiving it. I also think it stays very cool at night, which means I wake up less throughout the night. Overall, I would definitely recommend it to a friend who needs a new mattress for a great value.

Review from The Insiders
Helpful?4O8WRPUAIC2A19534904644
Aug 25, 2026
Reviewer name: RLBillings
5 out of 5 stars
5 out of 5 stars review

I don't want to leave my bed now!!

[This review was collected as part of a promotion.] I needed a new mattress, and when I made this swap it was a game changer. I feel like my new bed is always nice and cool to the touch. Now I feel like I don't have to worry about being hot when I'm trying to sleep. Also with this bed I feel as if no matter how I sleep or wake up I'm always recovered without stiff necks or muscles. With the RecoveryFlo foam that provides support I feel as if I'm always able to recharge and recover after any long day.

Review from The Insiders
Helpful?4O8WRPUAIC2A19534904644
Aug 21, 2026
Reviewer name: Unclecliffrd
5 out of 5 stars
5 out of 5 stars review

Cooling, Comfortable, My back is forever healed

[This review was collected as part of a promotion.] This mattress was needed badly ! Within 24 hours my aches and body pain were virtually eliminated. I am a side or stomach sleeper depending on where I toss and turn. I felt comfort no matter which angle I laid, which was a testament to the feel of this mattress !The mattress un boxing was so quick and easy . Not too heavy at all. It was ready straight out the plastic , I do suggest letting it sit and air out for 5 minutes initially. I noticed the cooling affect activated almost instantly as I also sweat at night. I was able to enjoy a nice , cool , even temperature rest.

Review from The Insiders
Helpful?4O8WRPUAIC2A19534904644
Aug 24, 2026
Reviewer name: Greenthumbelina
5 out of 5 stars
5 out of 5 stars review

Firm, comfortable mattress

[This review was collected as part of a promotion.] I was super excited when I found out that I was selected to participate in this campaign, as my husband and I were in sore need of updating our mattress. I like the comfort of memory foam, but find it too soft without enough support and very hot to sleep on, so I was intrigued by the promises of the molecule mattress to provide support while also being cooling. It arrived in a large box which was quite heavy, it took both my husband and I to be able to carry it upstairs. It was vacuum sealed, but expanded quickly once opened, probably took about 15 minutes or so. I wanted to wait a month or so before writing my review so that I could thoroughly evaluate my opinion on the Copperwell 12” mattress. I have to say that it is really comfortable and conforms to your body contour without feeling too stiff, it definitely has a firm feel to it however. It is also pleasantly cool to sleep on, and doesn't seem to generate the same amount of heat as traditional memory foam. Overall I was pleasantly surprised with this mattress and would recommend it if looking to purchase a new mattress.

Review from The Insiders
Helpful?4O8WRPUAIC2A19534904644
Aug 18, 2026
Reviewer name: BrianaG6
5 out of 5 stars
5 out of 5 stars review

Supportive and Comfy

[This review was collected as part of a promotion.] I've been sleeping on the MOLECULE CopperWELL® 12" Mattress and honestly, I'm really happy with it. It hits that sweet spot of being nice and firm while still feeling super comfortable because it contours right to my body and definitely feels more supportive than a traditional coil mattress. As for the cooling feature, I didn't really notice much of a difference, but to be fair, I sleep with a waterproof mattress pad on it, which probably blocked some of that effect anyway. Getting it inside was a bit of a workout since the box is pretty heavy to move around by yourself, but with a little determination, it was totally doable. I do love that the cover has an antimicrobial treatment to keep things fresh, and knowing the foam is CertiPUR-US® certified gives me peace of mind since I might end up handing it down to my kid. Overall I would recommend it!

Review from The Insiders
Helpful?4O8WRPUAIC2A19534904644
Aug 17, 2026
Reviewer name: ayesha106
5 out of 5 stars
5 out of 5 stars review

Sleep complete!

[This review was collected as part of a promotion.] This is a life changing mattress. I am so happy finally I can get enough sleep.It’s perfect for your back and shoulders and neck to relax and sleep.It lets you sleep comfortably and wake up feeling so good.Also no more back pain. Very comfortable and durable.I have not had a good night like this.It’s perfect for relaxing and support every inch of your body.It’s very therapeutic and luxurious.This is a must for a person who needs immediate relief. I am so grateful for this mattress I sleep peacefully and wake up fully rested .

Review from The Insiders
Helpful?4O8WRPUAIC2A19534904644
Aug 17, 2026
Reviewer name: Turning180
5 out of 5 stars
5 out of 5 stars review

Best sleep I have had in a long time!!

[This review was collected as part of a promotion.] This mattress is AMAZING!! It came rolled up right in a plastic bag and plastic wrap and packed in a box. After unpacking it inflated quickly and was true to size. It smelled fresh and clean and after sleeping on it for a week I can say I have had the best sleep I have had in a long time!! I love how it is cushioned like a memory foam mattress but not too much. It is easy to move around and it holds it's firmness to the eye of the mattress. I used to get sore shoulders on my old memory foam mattress because I sleep on my side. I can still sleep on my side with this mattress and I am not getting the pain I used to get. I had also upgraded from a full size bed to a queen size and the larger size helped as well. Highly recommend this mattress to anyone looking to improve their sleep and comfort.

Review from The Insiders
Helpful?4O8WRPUAIC2A19534904644
Aug 13, 2026
Reviewer name: Archiepoo1962
5 out of 5 stars
5 out of 5 stars review

Blissful nights sleep

[This review was collected as part of a promotion.] I wanted to share an update regarding our recent home improvement decision. We spent a few weeks trying to decide whether to replace the guest room mattress or buy new curtains for the house, and we ultimately decided to replace the mattress. It turns out it was a great choice. Our son now has full custody of his new baby boy and needed to move back home for support. He has slept on both the old mattress and this new one, so he has a great point of comparison. The delivery was timed perfectly. After opening the box and placing the mattress in its spot, he left for a weekend vacation. In no time, the mattress was fully settled with zero traces that it had been vacuum sealed. We decided to test it out ourselves and found that not only is it comfortable, but it is also like sleeping on a cloud without being soft and squishy. It is firm and able to comfortably support our 325lb son. After his first night using it, he mentioned that he couldn't remember the last time he slept through the night without waking up numerous times. He initially thought it was a one-off experience, but he has reported the same great results each night thus far. It seems we definitely made the right choice.

Review from The Insiders
Helpful?4O8WRPUAIC2A19534904644
Aug 17, 2026
Reviewer name: Prishtinaville
5 out of 5 stars
5 out of 5 stars review

Peaceful Sleep

[This review was collected as part of a promotion.] I could not be happier with this mattress. The material molds comfortable around pressure points like shoulders and hips while still giving proper support where it is needed most. It honestly feels like sleeping in a high-end luxury hotel room every night. Another huge benefit for anyone sharing a bed is the impressive motion isolation. Movement on one side of the bed stays completely quiet and undisturbed on the other. It expands quickly after it provides deep sleep, restorative sleep and has exceeded all of my experience for comfort and durability.

Review from The Insiders
Helpful?4O8WRPUAIC2A19534904644