DIFAME King Mattress, (2026 Upgraded) Hotel-Level Luxury Medium Firm 12 Inch King Hybrid Mattress in A Box, with Cool Gel Memory Foam & Pocket Springs, Extra Edge Support, 365-Night Trial
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Availability:
Only 10 left in stock, order soon!
Arrives
Thursday, Apr 16
Item Firmness Description: Medium Firm
Item Thickness: 12 Inches
Size: King (U.S. Standard)
Features
- All Sleep Position CompatibilityDIFAME King hybrid memory foam mattress offers contouring support with balanced softness, providing gentle support for your shoulders, back, and hips. It adapts well to back, side, and stomach sleepers, conforming to your bodys curves to help ease pressure points for more restful sleep, no matter your preferred position. This king size mattress seamlessly adapts to individual sleep needs for balanced, restorative comfort from head to toe.
- Cooling Temperature RegulationDIFAME 12 inch king mattress features a 2 cm premium cooling gel layer, hypoallergenic and breathable fabric cover free of fiberglass, plus integrated airflow channels that release excess heat and promote air circulation. It helps regulate sleep temperature to reduce nighttime overheating, keeping the surface cool in warm weather and cozy in cooler conditionsideal for hot sleepers. This king mattress delivers consistent, cool comfort throughout the night.
- Silent Motion IsolationThis king size mattress is engineered with silent individually pocketed springs for enhanced targeted support and excellent motion isolation. It helps support proper spinal alignment and operates quietly, so your sleep remains undisturbed when a partner moves, a child climbs in, or a pet shifts. This king mattress supports peaceful, uninterrupted rest night after night.
- Reinforced Edge StabilityThe 12 inch king size mattress features reinforced edge support with a stable, non-slip surface across the entire sleep area. It helps prevent sagging or shifting when sitting or resting near the edges, maximizing usable sleep space for comfortable edge-to-edge support. This mattress meets applicable U.S. flame-retardant standards. It fits well in master bedrooms, guest rooms, apartments, and teen spaces, offering balanced firmness and reliable support.
- Risk-Free Trial & WarrantyThis mattress in a box is compressed for easy delivery and straightforward setupsimply unpack, unroll, and allow full expansion. Backed by a 365-night sleep trial and 10-year warranty, this king bed mattress is designed for long-lasting comfort and quality. It integrates seamlessly into modern master bedrooms and living spaces.
Brand: DIFAME
Size: King (U.S. Standard)
Product Dimensions: 80"L x 76"W x 12"Th
Item Weight: 68.33 Pounds
Item Firmness Description: Medium Firm
Top Style: Euro Top
Number of Layers: 7.0
Fill Material: Gel Memory Foam, Memory Foam
Weight Limit: 1500 Pounds
Special Feature: Breathable, Low Motion Transfer, Pressure Relief, Stain Resistant, Temperature Regulating
Item Firmness Description: Medium Firm
Number of Layers: 7.0
Weight Capacity Maximum: 1500 Pounds
Additional Features: Breathable, Low Motion Transfer, Pressure Relief, Stain Resistant, Temperature Regulating
Mattress Coil Type: Pocketed Coil
Construction Type: Hybrid
Size: King (U.S. Standard)
Item Dimensions L x W x Thickness: 80"L x 76"W x 12"Th
Item Weight: 68.33 Pounds
Item Depth: 12 inches
Item Dimensions: 80 x 76 x 12 inches
top-style: Euro Top
Color: Grey
Brand Name: DIFAME
Model Name: DB 12inch king size mattress
Product Benefits: Back Pain Relief, Improves Sleep, Pressure Relief, Reduces Toss & Turn, Stress Relief
Model Number: DIFAME12K
Manufacturer: DIFAME
Included Components: Box opener, Mattress, Product instruction manual
Fill Material: Gel Memory Foam, Memory Foam
Product Care Instructions: Hand Wash Only
Mattress Comfort Layer Material: Gel Memory Foam, Memory foam
Material Type: Gel Foam, Memory Foam
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Thursday, Apr 16
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.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Learn more about financing & leasing here.
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Top Amazon Reviews
Item Firmness Description: Medium Firm
Item Thickness: 12 Inches
Size: California King
I had ordered a different mattress that didn’t arrive so I ordered this one instead it arrived the next day as promised it set up as described. It’s supper comfortable. I will be ordering two more
Reviewed in the United States on April 4, 2026 by Azia
Item Firmness Description: Medium Firm
Item Thickness: 12 Inches
Size: King (U.S. Standard)
Received and letting it fluff! I am ready to get in it but I will allow the 48 hours for it to recover. So far, so good!
Reviewed in the United States on March 16, 2026 by Courtney M
I’ve been sleeping on this DIFAME full-size mattress for a few weeks now, and I’m really impressed. It arrived neatly packed in a box, expanded quickly, and had no strong odor at all, which was a nice surprise. The setup was easy — I just unrolled it and let it rise for a few hours before sleeping on it that night. The quality of this mattress feels excellent. The stitching and materials are top-notch, and it looks much more expensive than it actually is. It’s a hybrid mattress, so it has both memory foam and pocket springs, giving it the perfect balance of comfort and support. You can feel the firmness when you lie down, but it still contours nicely to your body. I love how comfortable it is — it’s firm enough to support my back but soft enough to cushion my shoulders and hips. I wake up feeling well-rested and without any back pain. The pressure relief is really noticeable, and it helps me stay in one position comfortably for longer without tossing and turning. The cooling effect also works great. I tend to sleep warm, but this mattress doesn’t trap heat at all. It feels breathable and stays at a comfortable temperature through the night. It also has great edge support, which I appreciate because I can sit or lie near the edge without feeling like I’ll slide off. The motion isolation is also very good — even when someone moves next to me, I hardly feel it. For the value for money, this mattress is fantastic. It feels just as good, if not better, than some of the name-brand mattresses I’ve tried in stores that cost two or three times as much. It’s firm, supportive, and looks stylish with its grey design. If you’re looking for a high-quality, firm, and comfortable mattress that won’t break the bank, this DIFAME hybrid is a great choice. It’s durable, cooling, and offers the perfect level of comfort for a great night’s sleep. Highly recommend!
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Reviewed in the United States on October 9, 2025 by MIKE
I've been sleeping on this mattress for nearly 5 months now, and it still feels just as comfortable and supportive as the first night. The firmness is perfect—just right for proper spine alignment—and it hasn’t softened or sagged at all. One of the standout features for me is the motion isolation. Even when my partner moves around at night, I barely notice it, so my sleep is uninterrupted. The pressure relief is excellent too—the memory foam contours to my body, easing tension in my back and shoulders, and I wake up feeling refreshed without stiffness. I also appreciate the edge support. Sitting or lying near the edge feels stable, and I don’t feel like I might roll off. The gel memory foam keeps the mattress cool throughout the night, and the breathable, skin-friendly fabric helps with airflow and moisture-wicking. The convenience of the mattress-in-a-box setup cannot be overstated. It was easy to unpack and fully expand without any hassle, and it fits perfectly on my bed frame. At 12 inches, it’s a versatile height that works well with most beds. This mattress hits all the key factors for me: comfort, support, motion isolation, edge stability, cooling, and convenience. The value is impressive considering the quality and features.
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Reviewed in the United States on October 22, 2025 by Lisa Yang
This mattress turned out better than I expected for the price. It has a nice balance - firm enough to feel supportive, but with just enough softness from the gel layer to stay comfortable. The edge support is solid, so you don’t feel like you’re going to slide off if you sit or lie near the edge. It also sleeps cooler than I thought it would, which is a big plus. It came well-packed, expanded quickly, and had only a slight smell at first that went away in a day. Overall, a good, firm mattress that feels supportive and comfortable.
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Reviewed in the United States on October 1, 2025 by Egor
This mattress is really comfortable to sleep on. I like the thickness of it coz it fits perfectly on the bedframe that we have. It's hybrid which is combined coils and memory foams. I love how it feels. It dont get out of shape and it's very nice and firmsness is great. i love the quality. really nicely and well-made. and of top of that, it's inexpensive too! love it!
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Reviewed in the United States on October 17, 2025 by Leo
Really good quality mattress. I love the comfortability and it's really nice and fits on our bed frame nicely. So far it hasnt given me any back problems yet. It looks nice. Love it!
Reviewed in the United States on October 17, 2025 by Leo
This mattress has a supportive, medium-firm feel that worked out well for our kid and feels stable through the night. It has a nice balance of cushioning on top with a more structured base underneath, so it does not feel mushy or sink too much. Setup was straightforward, and after it had time to fully expand, it looked even and held its shape well. In my photos you can see how it sits neatly inside the bed frame with clean edges and a consistent profile under a fitted sheet. The surface feels comfortable for everyday sleeping and lounging, and it seems to do a good job staying in place without shifting around. Edge support also feels decent when sitting near the side to read or put on socks. Overall, it is a solid mattress for a practical kids room setup, especially if you want something supportive rather than extra soft.
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Reviewed in the United States on January 5, 2026 by Dr. K