California King Size Mattress, 12 Inch Deluxe Hybrid Cal King Mattress In A Box,Gel Memory Foam & Pocket Springs, Therapeutic Medium Firm, Extra Edge Support, 365-Night Trial, (2026 Upgraded Support)
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Item Firmness Description: Medium Firm
Item Thickness: 12.0 Inches
Size: California King
Features
- Enjoy The Ultimate Comfort of Sleep - Hybrid mattress california king consists of multiple layers of high-quality memory foam and enhanced Independent Pocket Springs, With superior comfort and targeted support, it can fully care for your body curves, relax your muscles in 360, relieve stress, relieve back pain, and experience the ultimate comfort of luxurious sleep.
- Quiet & Motion Isolation Individual Springs - California king size mattress has a high quality individual pocket coil and slow rebound memory sponge that effectively absorbs the noise and vibration caused by turning over during sleep, minimizing the transfer of motion to your partner and allowing you to enjoy deep sleep without being disturbed.
- Upgraded Support - California king bed mattress has upgraded the built-in Pocket Springs and added a high-density support sponge on the side, which makes the mattress more stable and reduces the risk of edge rolling during night exercise, thus improving safety. The upgraded edge also protects the internal structure. Extend the life of the mattress.
- Luxury Healthy Fabric - Mattress california king size selects high-quality and safe breathable knitted fabrics, without fiberglass, providing a silky smooth touch without roughness or discomfort, while promoting air circulation, effectively dissipating heat and sweat, keeping your sleep cool and comfortable.
- 5 Layers of Premium Foam - 12 Inch california king mattress is infused with a gel memory foam that aligns your spine, evenly distributes your weight, relaxes your muscles 360 and relieves stress, suitable for all sleeping positions, providing the ultimate comfort for your sleep.
- Worry-Free & Professional Brand Service - FANSACE is a professional R&D manufacturer with years of experience, dedicated to bringing you advanced sleep. Each mattress is rigorously inspected by authoritative quality control, featuring excellent quality. This luxurious hybrid king mattress has passed CertiPUR-US certification, complies with the US flame retardant standards, and offers a 365-night trial period, 10-year support, and accessible 24-hour customer assistance, ensuring your peace of mind during after-sales service. (In order to obtain a perfect sleep experience, it is recommended to give the mattress 24-72 hours of time expansion.)
Brand: FANSACE
Size: California King
Product Dimensions: 84"L x 72"W x 12"Th
Item Weight: 66.46 Pounds
Item Firmness Description: Medium Firm
Top Style: Euro Top
Number of Layers: 9.0
Fill Material: Gel Memory Foam, Memory Foam
Weight Limit: 1000 Pounds
Special Feature: Breathable, Durable, Lightweight, Low Motion Transfer, Pressure Relief
Product Dimensions: 84 x 72 x 12 inches
Item Weight: 66.5 pounds
Manufacturer: FANSACE
Item model number: CEA12CK
Date First Available: January 19, 2026
Frequently asked questions
This product is currently out of stock. Please check back later for shipping info.
Yes, absolutely! You may return this product for a full refund within 90 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
Item Firmness Description: Medium Firm
Item Thickness: 16.0 Inches
Size: King (U.S. Standard)
My old hybrid mattress was done. I got tired of falling into a valley. I did a lot of searching and found this one. I love the medium firm. Its firm enough to support without feeling like a board. Good edge support so you can sit on it without sliding off. I also like the black color! I got the 16 inch and have it on a box spring on the floor. Plenty high enough without a frame. The slat frames tend to separate and can cause your mattress to sag in between.
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Reviewed in the United States on February 25, 2026 by momsmit
Item Firmness Description: Medium Firm
Item Thickness: 16.0 Inches
Size: King (U.S. Standard)
This mattress is amazing. So very comfortable. Not to firm not to soft. Just enough of both.
Reviewed in the United States on February 26, 2026 by vc
So let me explain what you're seeing in the photos. I have a sleigh bed frame with a box spring on the floor. There are no slats because I have such a deteriorating spine that there is no way that I can handle the slats that go under a mattress on a bed frame. Over the years I've experimented with many different ways to sleep and not wake up unable to walk. This is just one more experiment but I think it's going to take me at least through the next couple of years. So on top of the box spring is a queen size bunkie board and then a queen size box mattress bought in 2019. The bunky board was supposed to give me some support in between the box springs and the mattress. But because that queen mattress in a box is beginning to sag in the middle I'm starting to feel the bunkie boards just like I would feel slats in a bed frame. The only real answer is to go to the Sealy store and put down 5K on a really nice bed but since I'm living on a very strict budget and my purse is extremely light I decided to put another mattress on top of my mattress. So now I have a box spring, a bunky board, a queen size box mattress, and a full size box mattress that just arrived today. Boy is it heavy. I think it's heavier than the queen mattress that I got in 2019 from a box. Maybe my memory serves me wrong but I think this is heavy. I could hear my physical therapist shouting LIFT WITH YOUR LEGS! lol I opened it in the carport to get the box and the outer plastic off of it. I have no idea how I managed to drag it to my bedroom but I didn't open the inner plastic that seals it until it was on the bed. As soon as I sliced into the plastic the mattress expanded as they do. Use caution at this part because you could easily slice into your mattress. I let it sit for about 8 hours and air out before jumping on it. It's heavenly I got to tell you. This is better than my original suggestion of just throwing a mattress on the floor. And it doesn't have a weird smell at all. Now I'm literally like the princess and the pea. Because of all the chronic pain that I live in daily and sleep in nightly I really can feel every single bump underneath me so if I have to stack 10 mattresses on top of each other to get relief I will do that. I'm very happy with this full size mattress and since I'm the only one that sleeps in this bed there is plenty of room for me. Highly recommend!
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Reviewed in the United States on April 15, 2025 by eLLeB eLLeB
This mattress is a total game-changer! I've been sleeping so much better since I got it. It's way more comfortable than my old mattress, and the medium-firm feel with the gel memory foam and pocket springs is just perfect. It's so much better than my old memory foam mattress. I wake up feeling refreshed and ready to go. Definitely recommend it!
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Reviewed in the United States on June 27, 2025 by Dan
I’ve been sleeping on this medium firm mattress for a few weeks now, and I’m honestly impressed with how well it balances comfort and support. It has just enough firmness to keep my back properly aligned throughout the night, which has significantly reduced the morning stiffness I used to experience. At the same time, there’s a soft enough top layer that cushions pressure points without feeling too plush. What I really appreciate is how it accommodates different sleeping positions—I switch between side and back sleeping, and this mattress handles both beautifully. There’s minimal motion transfer too, so I’m not disturbed when my partner moves during the night. Overall, this mattress hits the sweet spot between too soft and too hard. If you’re looking for something that offers support without sacrificing comfort, I highly recommend giving this one a try!
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Reviewed in the United States on June 10, 2025 by Odalegrey
One of the things I really like about this mattress brand is they offer multiple thicknesses for each size of the mattress. This is important because the thickness plays a big part in comfort based on the body weight of the user. Having the options to get the size that works best for you is a very nice feature. With that said mattresses are really a matter of personal preference. This one is a hybrid so uses both coils and foam in the construction. It is rated as Medium on the firmness scale and I found that to be accurate. It looks great and appears to be well made. The one note is when opening mattresses in a box you must be careful to not be in the way when you break the inner plastic seal as the mattress will expand instantly and if you or objects are in its path it will knock you out of the way.
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Reviewed in the United States on April 24, 2025 by Jason
This mattress allowed me to finally have a great night's sleep. I'm very picky about mattresses and how they feel, and this one passed all my expectations. The Euro top is soft and inviting, letting me sink in and get comfy, while the cooling gel foam helps keep me from being too warm. There is no noise when adjusting, and I can get up without waking my husband, because of the limited movement. The memory foam adapts to my body contours, so I don't wake up with joint pain or a stiff back. The full size is perfect for us and we don't feel cramped at all. This is a very nice quality mattress that provides comfort and support, so you wake up feeling refreshed!
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Reviewed in the United States on May 8, 2025 by Lehc00
I had never heard of a hybrid mattress before and we needed a new one for the guest bed, so we decided to give this a shot. Apparently, hybrid means it has coils and foam. Whatever they use, it’s comfortable. I like my mattress to be soft with a hint of firmness, and this fits the bill. It seems durable. There are no obvious issues on the surface and it feels like good quality. It arrived very quickly. Like any box mattress, it took a little bit to fully inflate, but so far we have had no issues with it. My guests have also said they slept well on it.
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Reviewed in the United States on May 10, 2025 by Ashley