This might be a very good mattress if it fit. This Twin XL is 40 inches wide. The Mattress will not make Split King (4 inches of overhanging for the pair). NOT GOOD

Excellent mattress so far, hopefully the foam will hold up. Extremely comfortable, supportive - you don’t sink in too much it feels like being on nice cooling fabric not a “foam pad” if that helps…

The mattress took just about 3-4 hrs to be at its full potential! It’s was supper soft the mattress molds to you like a glove. My fiancé and I could barely wake up we were getting such good rest.

Medium was pretty firm - my husband loved it and HATED the Firm. The Firm was like laying on a plank of pine wood with a blanket over it. The Ultra Plush works well for me - soft enough to sleep, where the medium was a bit on the firm side for me.

Bought this for the guest room at my parents hoping it would be better than the rock hard, lumpy mattress they had. Best sleep we have had in weeks. Spent 4 nights on it and now are considering replacing our mattress

I was skeptical about buying a bed in a box, but what a great decision! My wife is disabled and has sleep issues but she is actually sleeping better now. I’m so happy I decided to take a chance on this mattress.

It is very comfortable. Didn't have a smell as some other reviews mentioned. We left it to "rise" for 48 hours. First night on it, I slept all through the night, which I haven't done in years. It's not too soft or too firm.

This was bought for my 88-year-old petite mother. She has an adjustable-head bed. She said this is the most comfortable bed she has ever had! We are very happy with this mattress and recommend it.

about this bid for my mom who is 82 years old and she absolutely loves it. She has a Tempur-Pedic at home, this bed went in her RV and she said this is the most comfortable bed that she has ever slept on.

Very poor support for regular-sized adults. Adults sink through all the way to the bottom of the mattress. It’s not terrible for kids because of their weight, however.