We had this mattress less than 2 months and the foam warped and bulged and is sticking up inside the mattress. We are disappointed not only because we spent over $400 and the mattress lasted less than 2 months, but it would be entirely too difficult to return as it comes vacuum-packed in a bag/box and is quite heavy. Attaching pictures, although I'm not sure if you'll be able to see the warping. Buyer beware--this is a cheap item.

I've slept on it for 2 nights and taken one epic nap on our new matresses, and i LOVE them! Our 12 year old Icomfort mattress had given up. We had decided to get 2 twin xl's in hopes of getting an adjustable base in the future and the 2 twin xl's were actually $50 cheaper than just buying a full king size. I can move these 2 all by myself where our old matress was so heavy it really needed 4 people to move if you were to follow OSHA saftey standards due to the weight ;) We got the medium, i let them "air up" for a little over 24 hours and they had no issues or a bad smell. I was a bit nervous when they were delivered because one looked like it was trying to air up in the box, so i was scared of it being mishappened or damaged from a cut through the box or something, but had no problems. Not to firm not to soft. Being 2 twin xl, there is very little if any movement transfer. King size bedding fits on the 2 mattresses perfectly and keeps them together better than i thought it would. Being 2 mattresses together, they are a smidgen wider than our current bed frame, so if you have a frame that the matress sit in that may be a issue if you go the 2 twin xl to make a king route. I paid $327 total after taxes for both and they arrived in 2 days! I bought from Sam's so if we didn't like them we could take them back to the store if there was a issue, as this was the first time buying a mattress that i didn't get to test out first and i was nervous, lol. I figure even if these break down after a few years, i would still be happy with my purchase because I've wasted more money on way less before. For the price, they are totally worth it and with the return policy, no reason to not try them out. We got the medium, which is fine for us, but if you like a firmer matress get the firm one. I'm ordering one for our 16 year old son, who has never had an opinion on bed comfort because he could sleep on the floor and find it comfortable. But he laid on it and said he wanted one too! The price is great! Trust me we went mattress shopping and i think we laid on every major brand mattress on the market these days and I'm telling you, there are way worse (name brand) matresses for quadruple the price out there

We bought this for our oldest child a few years ago and it hasn’t been destroyed/ sagged and now this one for our youngest. So comfortable I’m thinking of trading our bed for this too. I have no back pain when I sleep on one of their beds. Only downside is if you like to sit on the edge of the bed, you will sink.

I orginally purchased one of these beds with the adjustable base for my mother when she went into independent living. She absolutely loves it and my kids also love resting on grandma's bed. When we moved and my girls had outgrown their bunk beds, I bought two more. So, everyone loves their beds!

I have had this mattress for a week. I bought a queen size for a guest room. My guest only slept on it for three days and it is already showing signs of wear. The top is wrinkled and crumpled up. Also, it never fully decompressed. One end of the mattress is still "squished". The name states it is a "medium firm" but it is not. It is very soft and you sink into it when you lay, or sit on it. I previously bought a queen size Sealy mattress in a box from Sams and I have been very pleased with it. I have slept on it every night for about three years and I love it. I would have bought another one this time, but my local Sams club was out of them, so I bought this one instead. A lot of the reviews said it was just as good but it is not. I am sadly disappointed and will attempt to get my money back.

This is the second foam style mattress that we have purchased. We have the King Serta 12" Sleep-To-Go mattress in our master bedroom, which we really like and have had for over two years (also purchased at Sam's). We wanted to save money on a mattress (queen) for a spare bedroom, so we went with the Members Mark brand this time. It was pulled out of the package yesterday early afternoon, but after about 8 hours of expanding, it still appeared very lumpy. The edges are not expanding much and the mattress appears to be closer to 8-9", not 12" as advertised. I opted to sleep on the new mattress last night to test it out. This morning when I woke up, I felt I was sunken half-way into the mattress. I'm 6' and 215lbs. I've never had any issues with other mattresses in the past. The mattress is VERY soft, nowhere as firm or supportive as our Serta. I will give the mattress another 24 hours before returning it or contacting customer service to get any issues resolved.

Bought 2 Queen sized Hotel Premier mattresses several years ago and both are still like new with daily use. One replaced a 250 pound olympic queen pillow top deluxe top of the line mattress that was 20 years old. This new mattress, at a fraction of the cost, is just as comfortable. If it lasts half as long it will be a bargain. When opened in the morning it inflated completely by night with no noticeable outgassing smell. We would very much buy again!

I bought this mattress about a month ago, and it doesn’t show up in my order history so I can’t return it. Hmm weird. Secondly, this is advertised as medium firm, if you go to any mattress store and feel what a medium firm mattress is, this is NOT it. This is the plushiest mattress I’ve ever owned. If you’re looking for any level of firmness, buyer beware! Would return but the order is mysteriously missing from my account.

The mattress is fine, but Sam's Club needs to read this: Fed Ex Ground is doing you a disservice. The drivers left my delivery on the street next to my garbage cans after hurling it from the truck. I made it home to retrieve it just before the garbage man was due and would have taken it as part of the trash pickup. Online sellers, Sam's, Amazon, Wayfair - all of you - need to hear this: Fed Ex Ground is a terrible carrier.

We hated this ultra plus mattress. It's like molasses for the top 3 inches then hard as a brick underneath, which doesn't work for a side sleeper with hips. Returning this has been a NIGHTMARE, 3.5 weeks of Sam's telling me someone would contact me to pick it up. Finally I get a call from some company I've never heard of and I have to wait another week. They were supposed to pick it up but waited to contact me that day to ask for a picture of the mattress. They finally showed up in some random pickup the next day. It's been 2 days and I still haven't been credited for my return. I've been calling Sam's all day and they keep hanging up on me. I contacted the company that picked the mattress up and they say they emailed Sam's, but Sam's acts completely clueless. Now I'm still fighting to get my money back and I'm absolutely furious because Sam's had a junk removal company pick up the mattress. They'd rather send a brand new mattress to the landfill then let me donate it to charity. We are so done with Sam's, they suck.