Crystli Full Mattresses 12 inch Memory Foam Mattress Full Size Hybrid Mattress Medium Firm Full Bed Mattress in a Box with CertiPUR-US Foam 100-Night Trial 10 Years Warranty
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Size: Full
Style: 12 INCH
Features
- Pocket Coil Spring Mattress: The high-quality carbon steel spring coil has high flexibility and can provide excellent customized support for your skeletal system; Through heat treatment and tempering, rust and deformation can be prevented, so it has high durability
- Buy with ConfidenceCrystli are specializing in researching & manufacturing better mattress, dedicated to improve sleep quality and optimize deep sleep
- STAY COOL ALL NIGHT LONG - This hybrid full mattress is made of high-end knit fabric with a comfortable and breathable surface; The air-flow foam layer has millions of open cells acting as airway chambers, allow maximum airflow so the foam breathes for unbeatable temperature regulation
- EDGE SUPPORT & MOTION ISOLATION - The high-quality carbon steel spring coil has high flexibility and provide excellent customized support for your skeletal system; They work independently from each other, effectively absorb sound and vibration, evenly distributed body weight; It also reinforces the edge support and isolates motion transfer to a significant extent
Brand: Crystli
Size: Full
Product Dimensions: 75"L x 54"W x 12"Th
Top Style: Euro Top
Cover Material: Cotton
Number of Layers: 2
Fill Material: Memory Foam
Special Feature: Breathable
Color: Black, Grey, White
Coil Type: Pocketed Coil
Product Dimensions: 74.8 x 53.94 x 12.2 inches
Item Weight: 68.2 pounds
Manufacturer: Crystli
Language: German
Item model number: CY12-FU
Date First Available: October 28, 2021
Frequently asked questions
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Yes, absolutely! You may return this product for a full refund within 100 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Size: Full
Style: 10 INCH
Always skeptical about mattresses that come in a box but these mattresses are really nice, comfortable, and are kind to the pocket book. Seriously, we bought 4 for a bunk house and we are so happy we bought them.
Reviewed in the United States on July 8, 2025 by Amazon Customer
Size: Full
Style: 10 INCH
I've had this mattress since early 2022. I absolutely love it. This mattress has far exceeded my expectations in comfort and longevity. To this day the bed bounces back as soon as I get up. I sit on the edge A LOT and it hasn't created an indentation, to my amazement. For reference I'm 5'8" and currently 200 lbs. I bought this when I was at a heavier weight, about 240 and it was just as comfortable and reliable then. If I ever have to buy another mattress, it'll be this exact one. It's on the firm side but not ridiculously firm. You don't sink into the bed, either, which I used to hate about my previous medium-firm mattress. It really is the perfect affordable mattress. Especially if you're like me..disabled, on a tight budget and dealing with various medical conditions that affect quality sleep. 1I keep it in a mattress encasement to prevent dust & mold spores because of living in a high humidity area. The only "negative" I've experienced is when changing the sheets, I've noticed threads from the diamond pattern coming loose. This isn't a big deal to me at all, but worth mentioning.
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Reviewed in the United States on March 30, 2025 by Emily Mortimer
Size: Queen
Style: 10 INCH
This mattress was packaged well when it arrived and I was able to open it with ease. It came with a little thing to open the plastic without harming the mattress which was nice! It expanded fairly quick and was at 10 inches in a day. The smell did linger for a bit but eventually it went away. As far as comfort, I’d say it’s a good 3.5/10. I am a 5’9” male weighing about 145-150 lbs and it doesn’t sink all that much. My lower back pain has improved significantly and I sleep better throughout the night. I was torn between the 10 inch and 12 inch but got the 10 due this being my first “mattress in a box” purchase. My brother in law is 6’6” and when he laid down on it, it sounded like it was struggling to support, I’d say just go for the 12 inch and spend the extra couple of dollars. All in all, it’s a good mattress and I’m satisfied. My main problem was my lower back and it’s helped tremendously. It’s comfy, not too soft but not too hard in my opinion. I would definitely buy this mattress again and have not been disappointed. Will provide an update a few months from now. Update: I’ve had the mattress for about 6 months. I’m keeping the review the same. It’s held up well. The edges are a little weak as I can’t sit on the edge without sliding off. It definitely helped in a pinch and is still pretty comfy. I’d say I sleep a little on the hotter side on this mattress. I’ll keep it but for a guest room bed because it isn’t bad at all but not my full cup of tea. Thanks for reading!!
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Reviewed in the United States on March 19, 2024 by D
Size: Full
Style: 10 INCH
This mattress is AMAZING! I got this 2 Christmas’s ago. Everyone’s body type is different. I personally love a good mix between firm and soft. This is the perfect combo. It was heavy, but I was able to get it in my apartment by myself. I got the full because it’s the only size I truly needed. It’s great! I had to wait 24-48 hours to let it fully rise. I’ve had for almost 2 years and i still love it. So comfortable!
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Reviewed in the United States on August 8, 2025 by toni toni
I did my research on mattresses in a box before deciding on this one, and I will admit I was still hesitant about moving forward with the purchase because I've never bought one of these before. I chose this mattress due to the hybrid construction and the 100 night guarantee, and the reviews seemed really solid. I purchased the 10 inch twin size. It arrived on time, was easy to get into the house and a breeze to open. Immediately upon opening the plastic wrap and unrolling it, the mattress starting inflating in size. Within 10 minutes, it was already at 10 inches, so I was pleasantly surprised. It is easy to move, at least in the twin size, so it can be put on a foundation and taken off easily. The top cover is very nice and overall, the construction is solid. It is a medium firm mattress, so if you're looking for a soft mattress, this isn't it. Of course, all mattresses require a breaking in time, so I expect in a few months, this mattress will be a lot softer. I actually bought a 2 inch memory form topper for it for extra cushion and that helped immensely with the comfort level until at least I have it broken in more. Overall, I am very happy with this purchase, especially for the price, easy of set up and quality. It remains to be seen how this mattress will perform over time, but so far, I really like it. There are so many mattresses in a box out there to choose from and it can be overwhelming. If you'd looking for an good, solid mattress on a bit on the firmer side for a good price, this is it. I'm pleased with this purchase.
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Reviewed in the United States on June 16, 2023 by ThistleFlower
Not the best by any means but for the cost it works well - Not a fan of the edges, they dip if you sit on the edge of the bed, and this was very firm once we set it up, but 2 months later it is much more comfortable. Love that hubby can get in/out of bed and I don't even notice!
Reviewed in the United States on December 3, 2024 by COLLEEN SHORTT