LIFEMENT B-MT-GTG-08-Q Queen Memory Foam Mattress, 8-Inch Cooling Gel

Usage tips

A guest room or bunk-bed setup often calls for a different mattress profile than a main bedroom. The LIFEMENT B-MT-GTG-08-Q is an 8-inch queen mattress designed for spaces such as guest rooms, kids’ rooms, dorms, and daybeds.

Its medium-firm feel combines a contouring memory foam comfort layer with high-density support foam. Green tea gel and graphite are infused into the memory foam to help draw heat away from the sleep surface, bringing a cooling feature into an all-foam design.

Place the mattress on a compatible bunk bed, platform bed, box spring, slatted base, or adjustable frame. It arrives compressed and rolled, unroll it on the frame and allow up to 72 hours for full expansion. For routine care, spot clean the removable cover.

Key specifications

• Brand and model: LIFEMENT B-MT-GTG-08-Q
• Size: Queen
• Dimensions: 80" L x 60" W x 8" thick
• Firmness: Medium firm
• Construction: Two foam layers, including gel memory foam and high-density support foam
• Cover: Polyester blend, removable
• Certifications: CertiPUR-US foam and OEKO-TEX certified cover
• Care: Spot clean only

Strengths

The layered construction gives this mattress two complementary roles: the memory foam contours around areas such as the shoulders and hips, while the high-density foam underneath provides support. That combination is useful for shoppers looking for cushioning with a more supported feel, rather than a mattress built around a single soft comfort layer.

Cooling is another practical consideration. Green tea gel and graphite in the memory foam are intended to draw heat away from the body, while the breathable design supports airflow across the sleep surface. This makes the mattress a relevant choice for people who prioritize temperature regulation in an all-foam bed.

The 8-inch profile suits a range of setups, from a guest bed to a bunk bed or daybed. If you are choosing between a compact mattress for a secondary room and a thicker profile for a different bedroom setup, this model offers a clearly defined queen size and medium-firm feel in one versatile format. Buyers have praised its comfort, support, and cooling feel, while opinions about firmness vary, that feedback is useful when deciding how much cushioning you prefer.

Before you decide

How long should the mattress expand after unboxing? Unroll it on the bed frame and allow up to 72 hours for full expansion.

Which bed bases can it be used with? It is compatible with bunk beds, platform beds, box springs, slatted bases, and adjustable bed frames.

How should the cover be cleaned? The cover is removable, and the stated care instruction is spot cleaning.

Final verdict

For a queen guest room, bunk-bed setup, or another space suited to an 8-inch profile, the LIFEMENT B-MT-GTG-08-Q brings together medium-firm support, contouring foam, and cooling gel and graphite. Its bed-in-a-box format and compatibility with several common bed bases make it a practical choice when you want a versatile foam mattress for everyday or occasional use.