1 / 7KONFEIN Graphene Cooling Gel Memory Foam Queen Mattress, 12-Inch
The KONFEIN Graphene Cooling Gel Memory Foam mattress is a 12-inch queen-size foam mattress listed as medium firm. Its graphene- and gel-infused layers, foam construction, and compressed-in-a-box delivery may suit buyers seeking a supportive all-foam bed, though cooling and comfort claims are manufacturer descriptions rather than independently established performance.
At a glance
- The listing describes medium-firm foam with gel- and graphene-infused layers and a bamboo-charcoal support foam base.
- The mattress is described as compressed and rolled for delivery. The listing advises allowing time for it to expand after unpacking.
- The manufacturer claims motion isolation, pressure relief, breathability, and support for spinal alignment. These are product claims, not independently verified outcomes.
Reference price: $276.11
Price checked: Nov 14, 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- Queen dimensions and 12-inch thickness are specified, along with a listed weight of 57 pounds.
- All-foam construction and the medium-firm feel offer a straightforward option for buyers who prefer foam over a hybrid coil design.
- The listing identifies gel memory foam, graphene-infused foam, and bamboo-charcoal support foam as materials in the construction.
Cons
- All-foam construction may not suit buyers specifically seeking a mattress with coils or a hybrid feel.
- A 57-pound listed weight may make moving or repositioning the mattress a two-person task for some households.
Technical specifications
16 specifications| Brand | KONFEIN |
|---|---|
| Model | Graphene Cooling Gel Memory Foam |
| Mattress construction | Memory Foam |
| Size | Queen (U.S. Standard) |
| Firmness | Medium Firm |
| Top style | Tight Top |
| Dimensions listed | 80 x 60 x 12 inches |
|---|---|
| Weight listed | 57 pounds |
| Thickness | 12 inches |
| Layer count | 5 |
|---|---|
| Cover material | Polyester |
| Comfort-layer materials | Comfort Foam, Gel Memory Foam |
| Listed foam and cover materials | Bamboo Charcoal Support Foam, Fiberglass-FreeFR Inner Cover, Gel Infused Memory Foam, Graphene-Infused Comfortable Foam, Soft & Breathable Cover |
| Care instructions | Hand Wash Only |
|---|---|
| Weight capacity | 500 pounds |
| Color | White |
What to know before buying
- Allow 48–72 hours for the mattress to regain its shape according to the product description. The listing also notes expansion can vary with room temperature and that an initial odor may be present.
Listing details to confirm
The listing details are inconsistent: it describes five layers and a five-zone support system, but a separate product description refers to a three-layer foam system. Firmness is stated as medium firm and also medium-firm to firm, with a 7.5/10 figure in feature text. It gives both a 24–48-hour expansion estimate and a 48–72-hour tip. Check the selected listing for the applicable construction and setup details. The manufacturer claims fiberglass-free materials and certifications, but these are not independently confirmed here.
What’s in the box
Included- Memory foam mattress
Who is it for?
A good fit for
- Buyers looking for a queen-size, 12-inch all-foam mattress with a stated medium-firm feel.
- People who prefer a mattress delivered compressed in a box and can allow time for expansion.
- Couples considering foam construction and the listing's claimed motion isolation, while recognizing that this performance is not independently verified.
Less suited to
- Shoppers who specifically want a coil or hybrid mattress.
- Buyers who require independently confirmed cooling performance, firmness, certifications, or construction details.

Customer reviews on Amazon
- 5 stars
69% 69% - 4 stars
13% 13% - 3 stars
13% 13% - 2 stars
5% 5% - 1 star
0% 0%
Aggregate ratings lean positive, with many five-star ratings, but the distribution also includes three- and two-star ratings. With no customer-comment summary available, the ratings do not establish why people were satisfied or dissatisfied. Treat the claimed cooling, motion isolation, and medium-firm feel as listing descriptions, and use the stated dimensions and foam construction to judge basic fit for your needs.
Frequently asked questions
What size is this KONFEIN mattress?
The listing specifies Queen (U.S. Standard) and gives dimensions as 80 x 60 x 12 inches.
How firm is the mattress?
It is listed as Medium Firm. Feature text also gives a 7.5/10 firmness and describes the feel as medium-firm to firm, so those descriptions are not fully consistent.
How long should it take to expand?
The listing gives estimates ranging from 24–48 hours to 48–72 hours. It also says expansion time can vary with the surrounding temperature.
What materials does the listing identify?
It lists gel memory foam, graphene-infused foam, bamboo-charcoal support foam, and a polyester cover. Construction descriptions differ elsewhere in the listing, so confirm details for the selected listing.

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