I purchased 2 Twin XL 12" medium mattresses to use with a King platform bed. While the mattresses expanded quickly, had no smell, and a perfect medium feel (not too soft/not too firm), they are not anywhere close to a Twin XL dimensions (38" x 80"). Within 15 minutes of unboxing, they each expanded to nearly 42" wide. Height only got to about 11" as well. 84" wide will not work on a 76 1/2" wide bed. I ordered online so they will be picked up, but it was a complete pain to have to plastic them up again for pick up.

I bought this mattress in May of 2025. My grandchildren came and stayed a week in Oct of 2025. I have enclosed pictures of what the mattress looked like after that week, I could not iron the bumps down, I could not smooth the bumps down and they showed when the bed was made up. Look really tacky. I was shocked and surprised as Sam's products are usually some of the best. I always shop Sam's before going somewhere else. Sam's did send a pickup company to get the mattress and I did not have to take it to the store.

Bought this for the reviews, it is NOT FIRM at all. Actually going to return it. Not sure on the great reviews. If you want soft and squishy and back breaking go for it. NOT FIRM, returning it due to so soft I am crippled. I ordered firm for a reason and this is not it.

Defective-as others have stated, it has a lump in the middle. Bought it for my guest room. Contacted Sam's through chat to find how to complete a return. They just said I needed to talk to the store. Store said I could put it back in the box (which is impossible) or wrap it in plastic. Then I get to stuff it into my car (which it won't fit in) and drive it back. I also don't live near Sam's so this whole thing is incredibly inconvenient. I tried to upload a picture, but this app only gives me an error message.

I bought a Nectar mattress at Sams Club and had to return it for a refund the following day. It was advertised as a Medium-Plush, but was so firm it was like sleeping on a cement slab. I had pain from pressure at several points on my body. I ended up buying this Member Mark memory foam mattress in the medium firmness, as there was not much to choose from at my club. Well, I can report that I am very happy I did. It feels so soft and comfortable, while at the same time being very supportive. I am comfortable on my back, sides, and stomach. No matter which sleep position I get into, I feel like I am sleeping on a cloud. I was pleasantly surprised I was able to get such a nice mattress for $400. It was $100 less than the Nectar and over $800 less than my previous mattress, which was not that good either. In fact, I had to use a memory foam mattress topper on it in order to use it. Thank you Sams Club for offering this great mattress!

Delivery from different locations took longer than initially projected. One box was overstuffed, as if it had been repackaged. After a few days they mattress was about 10.5 tall and 4 inches too wide at 42". They have been slept on 2 weeks and unpacked about a month. Still over 40" wide, making the 2 5-6 inches wider than a split king should be. Its risen a bot to almost 11", but still an inch short of 12" expected. It is plenty plush and not uncomfortable to sleep on but sheets and mattress pads were strained fitting over and likely why they measure narrower now. Not sure they'd stay compressed width wise with both off.

The bed came well packaged and very securely wrapped. As soon as I opened the packaging it completely sprung into shape with no issue. We're waiting a full 24 hours before laying on it. We ordered the medium and it's plenty soft and plush. I think it's perfect for my daughter but for me personally I would use the firm.

Medium firm purchased, its way to soft, zero support. I am so disappointed, my 10 year old mattress was way better. I threw away the packaging so return is out of the question and even if I had it how do you roll it back into the box? Mission impossible.

Decent mattress for our young boy as the other one he had was old and a newer memory foam mattress was a great idea. Only got 4 stars since mattress didnt fully expand like other reviews even after 72 hrs but for the sale price of 200, i couldn't beat that anywhere. He says its comfortable and sleeps good so we will keep it.

I returned a self-inflating mattress i had for 2 year s that collapse in the middle after 1 year. This mattress is promoted as being a hotel mid-firm mattress and It is the worst! You sink immediately into the mattress upon laying down. It has no support!!! It is also a self inflating mattress! I will be returning it once i can afford a REAL MATTRESS that requires 2 people to deliver it!!