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cemtip King Mattress, 12 Inch Hybrid Mattress in a Box, Memory Foam and Pocket Springs, Fiberglass Free, Soft and Breathable, Medium Firm Feel

  • Based on 667 reviews
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Size: King (U.S. Standard)


Item Thickness String: 12 Inches


Features

  • Comfortable and BreathableWith the effective combination of individually wrapped pocket coils and cooling gel memory foam,Cemtip Mattress ensures that your weight is evenly distributed from head to toethe pressure point where the body contacts the mattress can be relieved,helping to eliminate your physical fatigue and pain
  • Isolated MotionSupported by hundreds of Individual pocket spring and slow springback foam, it can effectively absorb the noise and vibration caused by tossing and turning when sleep. Just enjoy undisturbed sleep
  • Meidum Firm: Cemtip mattress combines multiple support and comfort layers to bring you responsive comfort and a medium-firm feel great for back, and stomach sleepers
  • Mattress in a box: Cemtip mattress is compressed into a new smaller box that reduces its carbon footprint. Please allow 48h for full expansion after unroll and the mattress
  • Worry-Free Warranty: Cemtip mattress comes with 10-year support. If you have any unsatisfactory issues, please feel free to contact us

Brand: cemtip


Size: King (U.S. Standard)


Product Dimensions: 80"L x 76"W x 12"Th


Item Weight: 106 Pounds


Item Firmness Description: Medium Firm


Top Style: Euro Top


Cover Material: Polyester Blend


Number of Layers: 8


Fill Material: Memory Foam


Weight Limit: 600 Pounds


Item Firmness Description: Medium Firm


Number of Layers: 8


Weight Capacity Maximum: 600 Pounds


Additional Features: Breathable, Low Motion Transfer, Pressure Relief


Mattress Coil Type: Pocketed Coil


Construction Type: Pocket Spring


Number of Mattress Coils: 899


Is Customizable?: No


Is Electric: No


Portable: No


Is Foldable: No


Size: King (U.S. Standard)


Item Dimensions L x W x Thickness: 80"L x 76"W x 12"Th


Item Weight: 106 Pounds


Item Thickness: 0.25 Inches


Item Dimensions: 80 x 76 x 12 inches


top-style: Euro Top


Color: White


Style Name: 12 Inch


Brand Name: cemtip


Model Name: CT12K


Product Benefits: Back Pain Relief, Hypoallergenic, Pressure Relief


Model Number: CT12K


Mattress Type: Standard Mattress


Manufacturer: Cemtip


Manufacturer Part Number: CT12K


Unit Count: 1.0 Count


Included Components: Only Mattress


Age Range Description: Adult


Cover Material: Polyester Blend


Fill Material: Memory Foam


Product Care Instructions: Hand Wash Only


Mattress Comfort Layer Material: Memory foam


Material Type: Memory Foam, Polyester


Frequently asked questions

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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Excellent! I didn’t wake up crippled! Beautiful 12” mattress
Size: Queen (U.S. Standard) Item Thickness String: 12 Inches
I am 61 and have owned many many mattresses from price ranges of well over two thousand dollars down to three hundred dollars and I can tell you the cheaper ones were nine times out of ten a better mattress. Don’t be fooled by price and brand names, they do not indicate a better product from my experience. I change my mattress every three to four years because none of them last much longer than that, even the high end ones don’t last longer than that, so why spend a fortune on a mattress? I was surprised by this one, it is VERY comfortable and plush, not too hard not too soft, it’s springy and supportive, I fell asleep immediately and woke up without my back killing be. It comes rolled and vacuum sealed in a box. Carry it to your bed frame rolled, don’t open it till it is in place, carefully cut the plastic and it very quickly achieves its full thickness in a very short time, only took a couple hours but I let it set a full day to air out. I didn’t notice any odor, it’s a very beautiful mattress. I have had two neck surgeries, three fusions a broken off tail bone and a lower back injury so I know pain well and when I consistently wake up in excruciating pain barely able to walk I know it’s time to get a new mattress. After the first night I woke up in noticeably far less pain and by the third night I woke up feeling really good no back pain. This mattress feels bouncy in a good way when you lay on it but just where you are, not the whole bed, it is supportive without feeling like a brick, I hate a hard bed, this is just right with a medium firmness, it has some give so it contours to your body nicely without putting pressure on your hips but it gives plenty of support. I have to sleep on my right side most of the night and this bed is excellent for side sleepers. I now have no hip pain from compression and my back is supported, I’ve not had sciatic pain since I got this or constant hip and tailbone agony. It is soft and pushes down on the edges when you sit on the side to get up but I don’t mind that, I can get up easier. I am sleeping so much better on this mattress, I will definitely be buying another. It looks beautiful too, nice fabric and good padding with plenty of spring. Don’t spend a fortune, this is a great value and an excellent mattress! ... show more
Reviewed in the United States on February 25, 2025 by Paula G. Cannon

  • Best comfort for your money!
Size: Queen (U.S. Standard) Item Thickness String: 12 Inches
This mattress is not to hard yet not to soft. Absolutely perfect for anyone with back issues. Its by far the best mattress for your money!!
Reviewed in the United States on April 8, 2026 by Nichole Pruett

  • Great!
Size: Full Item Thickness String: 12 Inches
I was moving into my first apartment and needed a mattress that would be comfy without breaking the bank. This mattress so far is perfect! It is very comfortable and I have been sleeping just fine. I don't like to sink into mattresses and this one is perfect. It has some give but it is firm enough that I don't feel like I am sinking in. I am also a side sleeper most of the time and I feel nicely supported.Even sitting on the edge of the mattress, it is strong enough that I don't slip off. It came in a box and opening it up was easy and it expanded right away. I was unable to wait the full suggested time to let the mattress fully expand, but it was still comfortable when I slept on it the same day I opened it. I would definitely recommend this mattress! I also didn't notice a smell when I opened it, which is very nice. ... show more
Reviewed in the United States on September 12, 2025 by Audrey

  • Firm in my opinion
Size: Queen (U.S. Standard) Item Thickness String: 12 Inches
It seems good quality. I bought it for the guest room at my daughters house so I don’t sleep on it often. It’s too firm for my taste so I bought a pad and that helped. I would rate it Firm. At least it’s not as hard as the floor. I do think it’s worth what I paid for.
Reviewed in the United States on June 4, 2026 by AkKat56

  • High quality!
Size: Queen (U.S. Standard) Item Thickness String: 12 Inches
Very nice quality mattress; it fluffed up nicely! My guests have commented that it is very comfortable! This is the 2nd bed in a box we have purchased and it is much nicer than our other one.
Reviewed in the United States on April 4, 2026 by Dana Bisson

  • Love it! Good buy!
Size: Queen (U.S. Standard) Item Thickness String: 12 Inches
Love it! Got a queen size for my teenager and it is perfect. It fit perfect on the bed frame and was a full 12 inches. Didn’t take long at all for it to fully fluff up! Feels sturdy and firm but not too firm. It’s more comfortable than my memory foam mattress so I will be getting another one of these for myself. Very nice! ... show more
Reviewed in the United States on January 3, 2026 by Becca C

  • Saved My LIFE by SURPRISE
Size: Queen (U.S. Standard) Item Thickness String: 14 Inches
Mattress quality is excellent. Don't be skeptical of price. It is definitely 14in & let it inflate for 48hrs. Believe the mattress looks even better in person!!!I was skeptical because I don't think memory foam will reshape over time for $250. So far it is DEF reshaping quickly, too! Here is the REAL review. I only got this because my bf was complaining of pain everywhere & there was sagging at foot of bed but i didn't sit there so it wasnt bothering me til one day I sat down & went straight down. Im like OMG! I couldn't order fast enough but i did all this research 1st & i was really buying based on pics from the reviews, type of sleepers we are & wht reviews said about relieving pain due to the firmness. I did not WANT a firm bed but I made an executive decision for my health & longevity. This is firm but not hard. I sink a little bit so im comfortable BUT firm mattresses relieve pressure from our bodies!! That's WHY WE ARE ACHING! So if youre aching & stiff, HYDRATE lol & get this mattress!!!! My former mattress was not pillowtop but slighly firmer like plush. It served its purpose after 6yrs as a guest bed & 2yrs fulltime with 2ppl. I KID YOU NOT the FIRST morning, I stood up quickly out of bed CONFUSED. I didnt even think I had been to sleep. It WAS daylight but normally my body is stiff & aches for a couple hours after I get up before I feel normal. I mean im looking at the bed like WHAT? I didnt believe it & I only slept like 6 1/2hrs or less but i feel really good at 9hrs lol. My body felt the exact same as when I went to bed. I had been waking up stiff EVERY morning & occasional pain from back & hips. I needed a new mattress over a year ago. I AM no longer hurting. The mattress wasn't EVEN for me but it has saved my LIFE! I blamed aches & pain on getting older...mid 40s. No sir, no ma'am, no way, no how! We should NOT hurt in our 40s. You will be surprised that its not aging why we feel older! Stress yes but aching & stiff NO. Make sure you figure out what type of sleeper you are. Ask your partner & if you are surprised like I was then really think about where you're hurting & it might start making sense about selecting a mattress for the type of sleeper you are. That is more important than how it feels by what we think feels good. The firmness makes my body align & forces me to sit & lay correctly if that makes sense. Im 5'11 & my posture has always been pretty good. I come from a tall family so we were taught/forced to stand correctly. Books on heads, scolded, or possibly slapped for slouching. So If it hurts you to sit up straight, force yourself until it doesn't hurt. Your back & posture are vital if you want to walk later in life. BUY a mattress if this review helps. I feel GREAT & YOU should too!! Be 🙏 BLESSED!!! ... show more
Reviewed in the United States on March 27, 2026 by Kim S

  • Affordable and comfortable mattress
Size: Queen (U.S. Standard) Item Thickness String: 14 Inches
The queen size mattress was delivered efficiently and once out of the box it expanded to size quickly. I let it sit for over 24 hours before moving to the bed. The bed is quite firm / I guess medium firm but already has alleviated back issues from old mattress. My only complaint is that the side edge support is minimal. There is no support when sitting on the edges. For the cost- it is perfect! ... show more
Reviewed in the United States on March 12, 2026 by KNace

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