Gravellaire 14" Full Mattress in a Box, Gel Memory Foam and Pocket Spring Hybrid Mattress, Medium Comfort, Pressure Relief, Adult
Gravellaire 14" Full Mattress in a Box, Gel Memory Foam and Pocket Spring Hybrid Mattress, Medium Comfort, Pressure Relief, Adult
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Gravellaire 14" Full Mattress in a Box, Gel Memory Foam and Pocket Spring Hybrid Mattress, Medium Comfort, Pressure Relief, Adult

5 stars out of 20 reviews
(5.0)|
20 ratings
Bed Size:Full
Mattress Thickness:14 in

Key item features

  • Hybrid Support System – Combines pressure-relieving gel memory foam with individually wrapped pocket coils for balanced comfort and support.
  • Motion Isolation – Pocket coils reduce motion transfer, helping minimize sleep disturbance from movement.
  • Pressure Relief & Spinal Alignment – Multi-layer foam design supports proper posture and helps relieve pressure on key areas.
  • Cooling & Breathable Design – Gel-infused foam and breathable knit fabric promote airflow and heat dissipation.
  • Durable, Sag-Resistant Materials – High-density foams and reinforced core help maintain long-term performance.
  • Reinforced Edge Support – Enhanced edges provide added stability and more usable sleep surface.
  • Non-Slip Base – Bottom layer helps keep the mattress securely in place on most bed frames.
  • Certified Safe Materials – OEKO-TEX STANDARD 100 and CertiPUR-US certified.
  • Fire Safety Compliant – Includes a built-in fire-resistant layer meeting 16 CFR Part 1633 flammability standards.
  • Convenient Mattress-in-a-Box Delivery – Compressed and shipped for easy setup; allow time after unboxing for full expansion.
  • Risk-Free Purchase – Includes an extended sleep trial and long-term warranty for added peace of mind.
Current price is Now $179.99
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was $259.99
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Columbus, 43215
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3.6666666666666665 stars out of 5, based on 3 seller reviews(3.7)
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5 out of 5 stars
stars20 ratings19 reviews
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Showing 1-3 of 19 reviews

Mar 15, 2026
Audra
Top Reviewer
Item details
Bed size: Queen
Mattress thickness: 12 in
Sold byGravellaire SleepDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Guest bedroom mattress!

This queen mattress is great! It's a perfect bed for anyone who requires a firm bed to support their back. The package is compact and comes with what looks like a mail opener that you use to open the plastic wrap. Make sure you have help and plenty of clear space because the mattress plumps up VERY FAST! I have purchased three similar “bed in a box” types of mattresses now, and this one is very quick to inflate to its full size. I like that it is a decent depth (12”), and would recommend it for a single sleeper. The edges are not super supportive but the center 2/3s is definitely firm and supports at least 200 “lbs easily. It is comfortable and perfect for a guest bedroom.

Incentivized Review
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Mar 20, 2026
Shalena
Item details
Bed size: Queen
Mattress thickness: 12 in
Sold byGravellaire SleepDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Queen Mattress

A good option thanks to its medium comfort level: it combines foam with springs, so it feels firm yet cushioned. It is ideal if you are looking for support without it being too hard. It expands well upon unboxing, and the value for money is quite good

Helpful?4335J14WZMPJ19140363190
Mar 21, 2026
Emonmiah21
Item details
Bed size: Twin
Mattress thickness: 10 in
Sold byGravellaire SleepDelivered byWalmart
5 out of 5 stars review

Verified Purchase

Super comfortable twine mattress.

I'm very happy with the Gravellaire 10" Twin Mattress in a Box. It arrived quickly, was easy to unbox, and expanded to full size faster than I expected. The gel memory foam and pocket spring hybrid design gives a perfect balance of softness and support, so my back and shoulders feel much better in the morning. The mattress feels medium firm, with a comfortable top layer and good motion control, so turning over at night doesn't make the whole bed move. I also like that it sleeps cooler than my old mattress and the edge support feels solid when I sit on the side. Overall, this is a great value for the price and I would definitely recommend it to anyone looking for a comfortable twin mattress.

Helpful?4335J14WZMPJ19140363190