LIFEMENT Essential Memory Foam Mattress 12K, 12-Inch Full

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Product guide

LIFEMENT Essential Memory Foam Mattress 12K, 12-Inch Full

The LIFEMENT Essential Memory Foam Mattress 12K is a 12-inch full-size memory foam bed listed with a medium feel and charcoal cooling gel. Its foam construction and claimed low motion transfer may suit buyers seeking an all-foam mattress, but firmness preferences vary.

At a glance

Three-layer memory foam construction with gel memory foam listed in the comfort layers.
The listing describes the feel as medium, while the feature copy calls it medium firm.
Ships compressed and rolled, with up to 72 hours allowed for expansion.
Manufacturer claims include temperature regulation and low motion transfer.

Price

$163.61Save 19%

Reference price: ~~$201.99~~

Price checked: Nov 14, 2026

View offer Ahead of Black FridayExplore the selection

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Pros and cons

Pros

The rolled, compressed format can simplify moving the mattress into a room before setup.
The full-size dimensions and 12-inch profile are clearly listed for planning fitted sheets and bed-frame fit.
The foam construction and claimed low motion transfer may appeal to couples who prefer an all-foam feel.

Cons

The cover is listed as spot-clean-only and not washable, so it cannot be laundered according to the care instructions.

Technical specifications

19 specifications

Identity
Brand	LIFEMENT
Model	LIFMENT Essential Memory Foam Mattress 12K
Model number	E-MT-GEL-12-F
Size	12 Inch Full Charcoal Gel
Construction	Memory Foam
Comfort layer material	Gel Memory Foam, Memory foam
Number of layers	3

Dimensions and installation
Dimensions listed	75 x 54 x 12 inches
Weight listed	61.5 pounds
Thickness	12 inches
Setup	This mattress in a box full ships compressed and rolled for easy setup; allow up to 72 hours to fully expand.
Listed compatible bases	platform beds, bunk beds, slatted bases, box springs and adjustable frames

Feel and materials
Firmness description	Medium
Top style	Tight Top
Cover material	Polyester Blend
Color	Grey
Care instructions	Not Washable, Spot Clean Only

Claimed features
Special features	Breathable, Fire Retardant, Low Motion Transfer, Temperature Regulating
Manufacturer-highlighted materials and claims	Medium Firm Memory Foam Mattress in a Box, Charcoal Cooling Gel, Pressure Relief, Fiberglass Free, CertiPUR-US Certified

What to know before buying

Listing details to confirm

Listing details are inconsistent: the model name uses “LIFMENT” while the brand is “LIFEMENT,” the listed size says “Full” while the included-components field says “Queen,” and firmness is described as both “Medium” and “Medium Firm.” The detail dimensions use a different format from the dimensions listing, although both indicate 75 by 54 by 12 inches. Confirm the selected size and firmness description before ordering. The page also alternates between charcoal and graphite wording for the cooling-gel infusion, and the cover is described as removable in one section but listed as spot-clean-only elsewhere. The listed certifications, fiberglass-free status, cooling and support benefits are manufacturer claims.

What’s in the box

Memory foam mattress QueenCheck selected pack

Check which accessories are included in your selected pack before buying.

Who is it for?

A good fit for

Full-bed shoppers looking for a 12-inch memory foam mattress in a compressed, rolled format.
Buyers who prefer a medium or medium-firm feel and are comfortable checking firmness details because the listing uses both descriptions.
Couples considering an all-foam bed with manufacturer-claimed low motion transfer.

Less suited to

Buyers who need a washable mattress cover.
Shoppers who require a precisely consistent size or firmness description without confirming the selected listing.

LIFEMENT Essential Memory Foam Mattress 12K, 12-Inch Full · photo 2 — Additional product photo 2

Customer reviews on Amazon

4.6 / 5 · 17 ratings

5 stars83%83%
4 stars9%9%
3 stars0%0%
2 stars0%0%
1 star8%8%

Customer feedback describes the mattress as comfortable for its price point, while firmness reactions are mixed, with some appreciating the firmness and others finding it too firm. That difference matters for buyers sensitive to feel: the listing itself alternates between medium and medium firm. The aggregate ratings are generally favorable but include a low-rating share, and the small overall rating sample does not establish how the mattress will feel to an individual.

Positive themes

Customers describe the mattress as comfortable for its price point.

Mixed feedback

Firmness feedback is mixed, with some customers liking the firmness and others finding it too firm.

Frequently asked questions

How firm is this mattress?

The details list firmness as “Medium,” while feature text calls it “Medium Firm.” Customer feedback reports mixed firmness reactions, so confirm that the selected feel suits your preference.

How long should it take to expand?

The listing says to allow up to 72 hours for the compressed, rolled mattress to fully expand.

Can the cover be washed?

The care instructions say it is not washable and should be spot cleaned only. Another listing section describes the cover as removable, so check care details for the selected listing.

Which bed frames does the listing say it fits?

It names platform beds, bunk beds, slatted bases, box springs, and adjustable frames. Confirm dimensions and frame suitability for your setup.