Sealy Dreamlife 12” Hybrid Mattress-in-a-Box, Full, SealyComfort Gel Memory Foam, SealyResponsive Encased Coils, Surface-Guard Technology
Condition: New
$819.00
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Availability:
In Stock.
Arrives
Saturday, Oct 31
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At a glance
- Condition
- New
- Style
- 12"
- Size
- Full
- Model
- F03-00240-FL0
- Dimensions
- 75 x 54 x 12 in
- Weight
- 69.7 lb
- Color
- Dreamlife
- In the box
- Mattress
Features 5
- 2 SEALYCOMFORT GEL MEMORY FOAM: This cushioning gel memory foam layer conforms to the shape of your body, providing tailored pressure relief and support where you need it most
- 2.25 SEALYSUPPORT TRANSITION FOAM: This additional layer of high-density foam enhances the overall comfort of the full size mattress in a box by offering extra support and durability
- 7 SEALYRESPONSIVE ENCASED COILS: Featuring individually encased coils, this full size bed mattress provides targeted support across the entire surface, allowing for independent movement and reduced motion transfer
- CERTIPUR-US CERTIFIED: The Sealy Dreamlife mattress foam meets the strict standards set by CertiPUR-US, ensuring it is made without certain harmful chemicals including formaldehyde, ozone depleters, phthalates regulated by the U.S. Consumer Product Safety Commission, or mercury, lead or other heavy metals.
- SURFACE-GUARD TECHNOLOGY: Built-in antimicrobial protection with Surface-Guard Technology helps prevent the growth of bacteria and the buildup of allergens on the mattress surface
Description
This Sealy® Dreamlife™ 12” Hybrid Full Size Mattress is designed to help you stay cozy all night (or all day) and wake up feeling refreshed. And it’s made by Sealy®, a leader in quality sleep products for over 140 years. Advanced SealyComfort™ gel memory foam adapts and responds to every part of your body to provide pressure relief and a personalized sleep experience, while SealySupport™ Transition Foam enhances the overall comfort of the mattress and adds long-lasting durability. SealyResponsive™ Encased Coils move independently for targeted support across the mattress as advanced edge coils provide increased airflow, support and durability. Sealy® Dreamlife™ is dedicated to promoting a healthier sleep environment. CertiPUR-US® ensures the mattress foam meets strict standards for content, emissions and durability, and Surface-Guard Technology™ kills bacteria on the surface of the mattress, protecting it from common allergens. This mattress was designed and built in the USA and includes a 10-year limited warranty, so you can rest easy with comfort you can count on.
Specs 38
| Brand | Sealy |
|---|---|
| Size | Full |
| Product Dimensions | 75"L x 54"W x 12"Th |
| Item Weight | 69.7 pounds |
| Item Firmness Description | Medium |
| Top Style | Gel Top |
| Cover Material | Polyester |
| Number of Layers | 3 |
| Fill Material | Memory Foam |
| Special Feature | Pressure Relief |
| Additional Features | Pressure Relief |
| Mattress Coil Type | Encased Coil |
| Construction Type | Hybrid |
| Number of Mattress Coils | 7 |
| Item Dimensions L x W x Thickness | 75"L x 54"W x 12"Th |
| Item Thickness | 12 inches |
| Item Depth | 12 inches |
| Item Dimensions | 75 x 54 x 12 inches |
| Product Care Instructions | Spot clean only - wipe area with a light damp sponge or vacuum with a soft brush attachment to remove particles. |
| Mattress Comfort Layer Material | Gel Memory Foam |
| Material Type | Memory Foam, Spandex |
| top-style | Gel Top |
| Color | Dreamlife |
| Style Name | 12" |
| Brand Name | Sealy |
| Model Name | Hybrid |
| Product Benefits | Comfortable Sleep |
| Model Number | F03-00240-FL0 |
| UPC | 810143391237 |
| Number of Items | 1 |
| Mattress Type | Standard Mattress |
| Number of Packs | 1 |
| Manufacturer | Sealy |
| Unit Count | 1 Count |
| Age Range Description | Adult |
| Item Type Name | Bed Mattress Conventional |
| Manufacturer Part Number | F03-00240-FL0 |
| Set Name | Sealy Dreamlife |
No specs match.
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Saturday, Oct 31
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
Good night’s rest
Style: 12"
Size: King
The mattress is just the right firmness for my back. I have severe degenerative disc disease in my lower back so finding a good mattress can be a challenge. After six or so weeks of adapting to the new mattress, I’m able to rest with far less back pain and I’m not as hunched over when I get out of bed. The edges of the mattress could have more support. Overall one of the best mattresses I’ve had in a while. As long as it has some longevity I’ll be a repeat customer.
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Reviewed in the United States on June 13, 2026 by Matthew Stackhouse
Very supportive for back pain issues.
Style: 12"
Size: King
This is a very nice mattress. My wife has severe back problems and this really is nice for her to sleep on. It provides exceptional stability and comfort. We really are glad that we spent the money. I will say that we chose the 12 inch hybrid over the 14 inch because it is supposed to provide a slightly firmer support for her back. We look forward to having this mattress for a long time.
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Reviewed in the United States on May 23, 2026 by Hubert Morgan III
Great for side and back sleeper
Style: 12"
Size: King
Been using a firm memory foam mattress from Sleep Innovations for the last 7 years. After constantly waking up with shoulder pain or back pain I wanted to try a hybrid mattress that was more of medium. So this Seally mattress has been great at relieving those sore areas in the morning and providing proper support. I’ve been using for two weeks now and it’s helped tremendously. The only issue I have is the edges compress so much when you sit on the side. This isn’t a big deal since the main purpose is laying down but I think I would like better if the mattress was in a frame offering a little side support instead of just the rails and box spring I use. The package weighs almost 100 lbs so be sure you have someone to help get it to the room. I unboxed and let sit for the weekend while we were out of town. When returned it was perfect condition and no plastic smell. Be sure you give it a good 24-48 hours to regain its shape. I would rate this 4.5 stars if I could with just a minor issue of the edges. I would still buy again and recommend.
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Reviewed in the United States on October 26, 2025 by VolFan
It’s very comfortable
Style: 12"
Size: Full
This at first softer then I wanted but once put on an adjustable base it was just right.
Reviewed in the United States on August 2, 2026 by dscp
Its Okay
Style: 12"
Size: King
Its good and definitely better than the bed i had before but its not great either.
Reviewed in the United States on July 1, 2026 by johnathan
The mattress I have been looking for!
Style: 12"
Size: Full
This mattress feels great. It gives you plenty of support yet not too firm even with the wrapped individual coils. It is thick enough that you cannot tell the coils are inside. I sleep very well on this bed now.
Reviewed in the United States on December 14, 2025 by Lee Brown
Nice mattress. Be sure to air it out before using.
Style: 12"
Size: Twin
We've only used it a few nights, but it seems comfy. Before putting bedding on the mattress, I'd recommend letting it air out for the maximum 72 hours after taking it out of the box. It takes that long to get rid of that "new mattress smell." If you have a covered porch, I'd let it air out there and put the plastic wrapping on the bottom so it doesn't lay directly on the floor.
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Reviewed in the United States on January 20, 2026 by cmwd
Firm mattress
Style: 12"
Size: King
So far good firm mattress. I hope it lasts a long while like a traditional mattress.
Reviewed in the United States on May 14, 2026 by Lizzy G.