1 / 7Sealy Warner 12-Inch Firm Tight-Top Innerspring Mattress, King
The Sealy Warner King is a 12-inch firm tight-top innerspring mattress with encased coils and foam layers. Its firm feel, center-third support claims, and motion-transfer design may suit shoppers seeking a supportive surface, though the listing describes some construction details differently and merits a closer look.
At a glance
- Listing claims a center-third layer of Sealy Comfort Gel Foam for added support beneath the back and core.
- Individually encased coils are described as reducing motion transfer between partners.
- Sealy describes the mattress as suitable for all sleep positions, while its stated firmness is firm.
- The listing claims a moisture-wicking cover and surface protection against odors and staining caused by bacteria and common allergens.
Reference price: $1,090.43
Price checked: Nov 14, 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- King size with a listed 12-inch profile and firm tight-top design.
- Encased coils and foam layers combine innerspring construction with cushioning materials.
- Center-third foam support and reduced motion transfer are specific design aims for people sharing a bed.
Technical specifications
17 specifications| Brand | Sealy |
|---|---|
| Model | Sealy Warner 12" Firm Tight Top Innerspring Mattress - King |
| Size | King |
| Construction | Innerspring |
| Coil type | Encased Coil |
| Number of coils | 702 |
| Number of layers | 3 |
| Fill material | Innerspring Coils with Memory Foam |
| Comfort-layer materials | Gel Memory Foam, Memory foam |
| Top style | Tight Top |
| Firmness | Firm |
| Dimensions listed | 79 x 76 x 12 inches |
|---|---|
| Weight listed | 75 pounds |
| Cover material | Polyester |
| Material type | 100% polyester |
| Color | White |
| Cleaning instructions | Vacuuming is the only recommended cleaning method. |
|---|
What to know before buying
Listing details to confirm
The listing gives different construction descriptions: the title and details identify the Warner as an innerspring mattress with memory foam, while a separate description calls it a Special Edition Spring Firm model with Response Open Coils and CoreSupport. It also describes a soft knit moisture-wicking cover, while the details list polyester. Confirm the exact model, materials, and cover for the selected listing before purchase.
What’s in the box
Included- Mattress
Who is it for?
A good fit for
- Shoppers who prefer a firm, tight-top king mattress with innerspring support and foam comfort layers.
- Couples interested in an individually encased-coil design intended to reduce motion transfer.
- Buyers seeking a listed center-third support layer and a 12-inch mattress profile.
Less suited to
- Shoppers who want a confirmed soft or plush feel, since the stated firmness is firm.
- Buyers who need fully consistent construction and cover specifications without confirming listing discrepancies.

Customer reviews on Amazon
- 5 stars
100% 100% - 4 stars
0% 0% - 3 stars
0% 0% - 2 stars
0% 0% - 1 star
0% 0%
The available rating evidence consists of a single rating, so it offers little basis for judging comfort or durability across sleepers. There is no customer-comment evidence to identify particular strengths or complaints. For buyers considering a firm king mattress, verify the comfort and construction details against personal needs rather than treating the isolated rating as a reliable consensus.
Frequently asked questions
What size and thickness is this mattress listed as?
It is listed as King and 12 inches thick. The supplied dimensions are 79 x 76 x 12 inches.
How firm is the Sealy Warner mattress?
The listing describes it as firm with a tight top. Firmness is a stated product description, not an individualized comfort guarantee.
What materials and coil design does it have?
The details list innerspring coils with memory foam and encased coils. Other listing text describes open coils and a different model name, so confirm the exact construction before buying.
How should the mattress be cleaned?
The listed care instruction says vacuuming is the only recommended cleaning method.

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