Sealy - Memory Foam Bed in a Box - 8 Inch, Medium Feel, King Size, CopperChill Technology, CertiPur-US Certified

Update: October 2019. It’s been 8 mos since purchasing this mattress. Just wanted to update on how it is holding up. The mattress remains as firm as it was immediately after purchase. There are no dips or worn spots in the areas my husband and I sleep in. We rotate the mattress every other time we change the sheets. So, maybe twice a month. My husband is 6’ and about 220lbs. I’m 5’6” and about 150lbs. He is a side and back sleeper with arthritis from several old back, shoulder, and hip injuries from his military career. I am a stomach and side sleeper with arthritis in my back and hips from years of riding and showing horses. The support remains amazing. The overheating problem was resolved when we switched back to our goosedown duvet instead of the synthetic comforter we were using. I guess it just breathes better. Overall, we are so pleased with this mattress that we’re starting to convert the other 3 children’s beds to these mattresses. We’ve already switched the infant to Sealy’s foam crib mattress. No crinkling to wake her up. She sleeps like a rock. If or when this mattress wears out, we’re definitely buying another one to replace it. This has to be the best mattress we’ve ever bought. Highly recommend.The mattress arrived in perfect condition. It expanded quickly. Definitely a Medium Firm- Firm support level. I’m 38 weeks pregnant and it is very comfortable for my back, hips, and supports my stomach well while laying on my sides. This mattrress sleeps so unbelievably hot though. I thought it might be a pregnancy thing but my husband confirms. Our teenage son also fell asleep in our bed reading the other night while I was watching tv and woke up in a full sweat too. I’m thinking of adding a gel mattress topper to help cool it down and get us through the summer. We’re in the southeast on the coast of SC and I’m not going to make it through summer with this mattress like it is. 5 stars for awesome support comfort and quality. But I had to take one away for the misery of waking up dripping in sweat every night.

Yes we do like it. We put a topper on it but it's good.

I'm not sure how to rate this as it came within a week as promised, inflated in 24 hrs, didn't smell wasnt stained or anything wrong. It's just much firmer than what I thought it would be based on reading reviews. I'm actually still sleeping in my old bed as everytime I try to sleep in this bed it's the worst nights sleep and I wake up throughout the night restless, achy, and tired. I'm bummed, it's not the most expensive bed but for us right now our budget is tight so I thought this would work. Maybe they make a mattress topper to soften it up a bit but until I purchase one I will not be sleeping in this bed.

We needed a new mattress and had slept on memory foam mattresses so we wanted to try one. It was good to see Sealy-a quality brand name-in this business. It is very competitively priced compared to other memory foam mattresses. But more importantly, it is very comfortable. These kind of mattresses don't have a firm edge so sitting on them or sleeping on the very edge of the bed may be different. Neither of these is an issue for either of us. Also confirm the height. We have a tall frame/foundation so the 8" works for us. An excellent product and value.

Honestly it amazes me that they can fit a king size bed in a box! It “inflated” quickly, and has been so comfy.There was an odd smell that lasted quite a while. I tried different things to get rid of it. It seems what works the most is just leaving the sheets off and running the fan.Overall, it’s a great product, and great size.

Our good friends have this mattress and when we visited and slept on their mattress, it was beyond comfy! When it was time for us to buy a King size, we went ahead and bought this one and we’re so happy we did! Great quality for the price

We rented an airbnb for a month and the king sized bed was unacceptable. Ordered this bed in a box online and the next night, and 30 nights and counting, we've slept quite comfortably. To be sure, it doesn't have the same kind of support that a $1000 mattress offers--but for the price of one night at a fancy hotel, you can make your airbnb feel more than acceptable, but downright lovely.

Slight downside was that it took about 24hrs to fully expand. No odors and immediately relieved my spouses shoulder pain.