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SURGEON GENERAL'S WARNING: Smoking Causes Lung Cancer, Heart Disease, Emphysema, And May Complicate Pregnancy.

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Limited time! Get a $50 statement credit when you open an account & use it to make $30 in eligible Sam’s Club purchases within 30 days.¹

¹Offer subject to credit approval. During the offer period, new accounts that qualify will earn a $50 statement credit instead of a $30 statement credit that you may see otherwise advertised. To qualify, you must (i) apply and be approved for a Sam’s Club credit card account between June 24, 2026—July 7, 2026 and (ii) use your new account to make Sam’s Club purchases totaling $30 or more (excluding cash advances, gift card sales, alcohol, tobacco and pharmacy purchases) within 30 days of date of account opening. When you open an account online or with your mobile device, purchases cannot be made at in-club registers until the physical card is received. Your physical card should arrive in 7–10 business days from date of account opening. A $50 credit will post to the account within 90 days after the qualifying purchases are made. Offer is valid for newly opened accounts only and each account is eligible for only one $50 offer, in lieu of, and not in addition to, any advertised $30 offer.

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Member's Mark 8" Medium Memory Foam Mattress

Instructions

Designed to deliver dependable comfort at a great value, the Member’s Mark™ 8" Medium Memory Foam Mattress offers restful sleep night after night. The balanced medium feel provides just-right support for back, side, and stomach sleepers - making it a versatile choice for everyday bedrooms, guest rooms, first apartments, and kids’ rooms. Enjoy cushioned pressure relief with balanced support, plus a cooler night’s sleep. Copper graphite memory foam gently adapts to your body to cradle pressure points and helps draw heat away from your body to maintain more consistent comfort, so you stay asleep longer. Built for lasting performance, it delivers reliable comfort you can count on. Compatible with box springs, platform beds, and adjustable bases, the Member’s Mark™ 8" Medium Memory Foam Mattress offers flexible setup options. Backed by a 5-year limited warranty and the Sam’s Club Satisfaction Guarantee, it provides confidence, comfort, and value - every night. Cooler Nights, Better Mornings Sleep cooler with Copper Graphite Memory Foam by pulling heat away from your body to maintain a more comfortable temperature and wake feeling refreshed. Pressure Relief. Steady Support. Every Night. Wake up refreshed with fewer aches and more energy. Targeted pressure relief cushions hips and shoulders, helping your body fully relax so you move less and sleep more soundly. Ideal for Guest Rooms and Growing Families <ul> <li>A great fit for first apartments, kids’ rooms, or spare bedrooms</li> </ul> Easy Setup with Your Existing Bed Frame <ul> <li>Compatible with box springs, platform beds, and adjustable bases</li> </ul> Confidence Backed by Sam’s Club <ul> <li>Includes a 5 year limited warranty and Sam’s Club Satisfaction Guarantee</li> </ul>

Bed Size

Brand

<ul> <li>Available in Twin, Full, Queen, and King sizes</li> <li>Backed by Sam’s Club with a 5-year limited warranty and Satisfaction Guarantee</li> <li>Convenient delivery to your address or available in club</li> <li>Balanced support from medium-firm memory foam for quality comfort at an affordable value</li> <li>Medium feel suitable for back, side, or stomach sleepers</li> <li>Easy setup with most bed frames including box springs, platforms, and adjustable bases</li> </ul>

Specifications

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<ul>
 <li>Available in Twin, Full, Queen, and King sizes</li>
 <li>Backed by Sam’s Club with a 5-year limited warranty and Satisfaction Guarantee</li>
 <li>Convenient delivery to your address or available in club</li>
 <li>Balanced support from medium-firm memory foam for quality comfort at an affordable value</li>
 <li>Medium feel suitable for back, side, or stomach sleepers</li>
 <li>Easy setup with most bed frames including box springs, platforms, and adjustable bases</li>
</ul>

Size

Twin

Full

Queen

King

Style

Medium Firm

I have the Medium Feel Full Sized Gel Memory Foam Mattress.  I got it for my growing daughter who experiences back pain from a slight curve in her back.  The very first night she reported having the BEST sleep of her life.  She said it was comfortable, didn't make her hot and supported her whole body.  IThe mattress has a fitted zippered removable outer shell for throwing into the washing machine.  I'm so glad I got her this mattress.

The best sleep from day one.

Great Mattress love it! Far better than others I have had! Definitely worth a try!! Glad I gave it a try! Very hard to find good mattresses and this definitely qualifies! I would recommend it highly and at this point have no complaints! Very impressive ! Forgot it seems to stay cool with new technology! Comfortable yet firm and supportive!

Great Mattress! One I would highly recommend !

This Member's Mark 8-inch meduum gel memory foam mattress is soft, comfortable, and supportive. It has a nice cushioned feel without being too overwhelming, and I wake up feeling refreshed after sleeping on it. Great value and very comfortable overall.

Soft, Comfortable, and Refreshing

If you want a Firm Mattress, this one is for you. It comes vacuum sealed in a protective bag that slides right out of the box. Set up is so easy, just carefully remove the bag and put it in place. There was no odor and it's ready for sheets in the matter of minutes. My husband likes a firm mattress, so he slept on it first, stating that it was the firmest mattress that he'd ever slept on. It was firmer than I prefer, but it was relaxing. It seems like it will hold up for a long time, no staying squeezed on the edge and not filling back up right away while sitting on the edge. Overall it's a great mattress!

A Great Firm Mattress

We got the Member's Mark 8" Memory Foam Mattress Twin for our 3-year-old’s gramdson's transition out of the crib, and it’s been great. Super easy to set up, easy to share when helping them fall asleep, and really comfortable. We also ordered shark bed sheets that were easy to put on, and the corners hold them in place really well—even with lots of movement.

Comfy mattress

Okay, WOW. This mattress is AMAZING! We got rid of my daughter's old twin and got this in a full size and let me tell you.. the size is perfect and it is SO comfortable. I am so jealous, honestly. I sat on it with her for a while and it's very soft but also holds well, I'd say medium firmness. I would definitely recommend this to anyone, I know my husband and I plan on getting this brand when we get a new mattress.

Most comfortable mattress!

I'm overall really happy with the Member's Mark 8" Medium Memory Foam Mattress. It has a nice firm feel without being too hard, and it actually stays cool at night instead of turning into a giant toaster. My favorite feature is the zip-off top layer — being able to remove it and machine wash it feels both genius and overdue in the mattress world.
My only complaint is the height. It's 8 inches, which is accurate, but my old 8-inch mattress somehow had “main character energy” and felt more like 10 inches thanks to extra padding. This one feels a little slimmer by comparison.
Still, for comfort, firmness, cooling, and the washable topper, I'd say it's a solid buy.

A Cool Mattress With a Clever Twist

These style mattresses come nicely packed. Vacuum sealed and easy to transport. This particular gel mattress is an 8" thickness.

Here's are my first impressions:

Pros:
- This mattress is very cool to lay on, perfect for those warm days where you want something cool to lay on 
- The gel mattress has a soft top and soft feel, as you would expect from a memory foam bed topper.
- The comfort level on the box describes the feel as Medium Firm. I would agree with this once it's laid upon. Otherwise you do feel it sink in when you sit on any edge.

Cons: 
- It's thinner than I'm used to. I use a wood slat frame to stage this mattress and as I lay upon it I can feel some of the gaps in the slats the more I lay upon the mattress.

Overall I like the feel of the mattress but I believe the comfort at this thickness depends on what type of frame and if you include a box spring base. I like the coolness and overall feel of the material. If you are looking for a mattress with cooling properties I recommend this one.

A Gel Memory Foam Mattress

Overall seems to be a good quality product, as takes shape quickly after opening from the packaging and grows and expands. Only downfall is the packaging itself, as it was very tightly wrapped on plastic and difficult to remove. Can’t use knife so used scissors which resulted in a few scuff spots as you can see from photo.

Surprisingly Comfortable Twin Mattress

Interesting that a mattress comes in a box to unfold & unroll. Wasn't expecting much from the mattress because of that. Was pleasantly surprised in the comfort, once I gave it a few days to fully "inflate", but I still prefer springs in a mattress for the bit of bounce they provide.

An interesting experience

too hard

Member's Mark 8" Medium Memory Foam Mattress

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Highlights

Serta 8" Medium Gel Memory Foam Mattress