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

SURGEON GENERAL'S WARNING: Quitting Smoking Now Greatly Reduces Serious Risks to Your Health.

SURGEON GENERAL'S WARNING: Smoking by Pregnant Women May Result in Fetal Injury, Premature Birth, And Low Birth Weight.

SURGEON GENERAL'S WARNING: Cigarette Smoke Contains Carbon Monoxide.

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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 Hotel Premier Memory Foam Mattress, Available in Medium, Firm, and Ultra Plush

Instructions

The Member’s Mark 12-Inch Gel Memory Foam Mattress offers cooler, deeper sleep and unparalleled comfort. The lightly cushioned cover is complete with a cool-to-touch feel, while advanced cooling gel memory foam maintains an optimal sleep temperature. Memory foam is proven to relieve pressure points that cause tossing and turning, which promotes longer periods of deeply restorative rest. Unique air channel foam increases airflow for improved breathability, enhancing the coolness and soothing pressure relief. As part of our Member’s Mark collection, this mattress delivers exceptional quality, superior comfort, and long-lasting durability, with pricing exclusively for our members. Top-quality sleep offered at an affordable value assures that you can rely on the rejuvenating rest you need, night after night for years to come. Our 12-inch gel memory foam mattress is available in Twin, Full, Queen, King and California King sizes. Your Choice of Support with Cradling Cool Comfort Designed to provide consistently cool comfort and uplifting support for a full night’s rest, this premium four-layer mattress build adapts to you. First, select the Ultra Plush, Medium or Firm build options based on your ideal sleep support. From there, cooling gel memory foam conforms to the unique curves of your body to provide personalized pressure relief, enhanced by air channel foam underneath. At the foundation, 5.5 inches of sturdy base foam gently promote proper spinal alignment, so you feel fully refreshed in the morning. It also ensures structural stability for years of good nights. Instantly Relaxing This 12-inch mattress is crafted with a soft, quilted cover featuring a cool-touch feel that never wears out. Plus, a half-inch layer of foam within the cover design instantly responds, so the soothing support and cool comfort begin their work from the moment you lie down. Undisturbed Sleep The pressure-relieving qualities of gel memory foam absorb movement, preventing vibrations from traveling through the mattress. This means a restless partner won’t disturb your deepest sleep states. Quality You Can Trust All of the foam in this mattress is CertiPUR-US® certified and made in the USA. No heavy metals, phthalates or ozone-depleters were used in the manufacturing of this product. Plus, this mattress includes a fiberglass-free fire barrier. Can this mattress be used on an adjustable base? Yes, the Member’s Mark 12-Inch Gel Memory Foam Mattress can be used on an adjustable base, platform bed or any box spring. How is this mattress delivered to my home? The Member’s Mark 12-Inch Gel Memory Foam Mattress is packed for convenient transportation and setup. The mattress is delivered to your home in a box so all you need to do is unpack, unroll and unwind. We recommend letting your mattress fully expand for 48 hours to regain its shape, but you can use it as soon as it looks comfortable. What is the weight limit for this mattress? The weight limit is 300 pounds per side.

Bed Size

Brand

<ul> <li>Choose between Ultra Plush, Medium or Firm comfort options</li> <li>Available in Twin, Twin XL Full, Queen, King and California King sizes</li> <li>Backed by Member’s Mark 100% Satisfaction Guarantee</li> <li>Mattress In A Box Delivered Via FedEx</li> <li>Four-layered design has consistent support for all sleep positions</li> </ul>

Specifications

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<ul>
<li>Choose between Ultra Plush, Medium or Firm comfort options</li>
<li>Available in Twin, Twin XL Full, Queen, King and California King sizes</li>
<li>Backed by Member’s Mark 100% Satisfaction Guarantee</li>
<li>Mattress In A Box Delivered Via FedEx</li>
<li>Four-layered design has consistent support for all sleep positions</li>
</ul>

Size

Twin

Twin-XL

Full

Queen

King

California King

Style

Firm

Medium

Ultra Plush

Very comfy. Slightly soft but as I age I find I need a soft mattress to reduce back pain due to DJD. my adult kids also find it comfortable too. We’ve purchased 3 in the past few years, so we are starting a mattress collection. Lol

Great value for the money and comfortable

I had hip pain every morning...since Ive installed this, no more morning pain!  It is cool to lay on, very comfortable and you couldnt beat the price!

Comfort enters the chat!

this mattress is high-quality and extremely comfortable and a great price. I even got up to the register and it was another $75 off as I could not believe it! I have a nectar mattress at home which I absolutely love but the quality of this is very comparable! For a third of the prize. Highly recommend

Great mattress

First bought a twin for my semi truck, then I bought a king mattress for my house and now this twin is for my Great Dane/ Great Pyrenees mix. She loves her new bed and her flannel sheets with a mattress warmer.

Great for people and pets

Bought this for my 2 years old. Toddlers need medium firm for their spine development. I waited 3 days to fully expand but It was still soft. It is softer than soft mattress. I am 240 lbs and when I sit side of the mattress I drowned all the way down to box spring. It is still okay for my 2 years old because she is only 35 lb but If we want to sit on it for putting her to sleep It is really annoying. So I returned and got the one with springs. My 3 stars goes to Sam’s club customer service.

Good If you are less than 100 lbs.

My whole family has these mattresses and I love them for my kids. But unfortunately for my husband and I we just sank in. My husband is 6ft 200lbs and it felt like he sank to the bottom of the mattress. We had to return it for a hybrid.

Good but not for couples

Very soft not a medium firmness. I set up the bed and the first night was okay but it has progressively gotten softer and softer as I’ve slept on the bed. I’ve tried rotating it to see if that would help but it hasn’t. I’ve only had the bed for 2 weeks now.

Not worth it

This matters wasn’t very good. It was way too firm even though it said medium firmness. It was like a rock. Caused awful back pain and the fumes that came off of it were horrendous.

Too hard

The 12 inch twin mattress that I purchased at Sam’s Clubis false advertisement the box said it was a 12 inch mattress and it is not it’s 10 1/2 very disappointed. I am 65 and a widow. I cannot afford to hire someone and rent a truck to return it so I’m stuck with it. Mattresses in the spare room and I have one it says got it for 10 days and it’s still not inches 10 1/2.

False advertisement very deceptive on twin mattres

Hired someone to transport since it was too heavy for me. Unboxed it and once it uncurled, it had a chunk of foam missing under the cover. I contacted Sam's to see if they could arrange to pick it up to return to the store so I could order replacement online. They would have picked it up if it was ordered online but refused to do that since it was bought. It is too large to fit in my car and far too heavy for me to handle. I'm very disappointed in the mattress and Sam's for not making this right.

Defective & Sam's won't help

Member's Mark Hotel Premier Memory Foam Mattress, Available in Medium, Firm, and Ultra Plush

Shipping

Highlights

Zinus Night Therapy Medium 12” Memory Foam Mattress with Antimicrobial Cooling Cover