12 Inch Queen Hybrid Mattress - Medium Firm - Cooling Gel Memory Foam & Innerspring - Pressure Relief - 365-Night Trial & Forever Warranty
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COMFBOX

12 Inch Queen Hybrid Mattress - Medium Firm - Cooling Gel Memory Foam & Innerspring - Pressure Relief - 365-Night Trial & Forever Warranty

529 ratings
12 Inch Queen Hybrid Mattress - Medium Firm - Cooling Gel Memory Foam & Innerspring - Pressure Relief - 365-Night Trial & Forever WarrantyCOMFBOX 12 Inch Queen Hybrid Mattress Medium Firm Cooling Gel Memory Foam Innerspring Pressure Relief 365 Night Trial Forever WarrantyCOMFBOX 12 inch King Hybrid Mattress Medium Feel Cooling Foam Pressure ReliefCOMFBOX 14 Inch Queen Hybrid Mattress Medium Firm Cooling Gel Memory Foam Innerspring Pressure Relief 365 Night Trial Forever Warranty
Bed SizeQueen
Mattress Thickness12 in

Key item features

  • Comfort & Targeted Support for All Sleepers Gel memory foam adapts to side, back, and stomach sleepers for pressure relief, while zoned pocket coils and reinforced lumbar foam provide targeted support for hips and lower back to reduce pain and improve posture. Cool, Breathable & Motion-Isolating Design Moisture-wicking fabric and airflow from wrapped coils keep you cool and dry all night. Motion-isolating coils minimize partner or pet disturbances, and reinforced edges add usable sleeping space. Certified Safe Materials & Easy Setup Made with CertiPUR-US® certified foams—free from harmful chemicals. Backed by a 10-year warranty and delivered in a box for quick, hassle-free setup. Fully expands in 72 hours.
  • Comfort & Targeted Support for All Sleepers Gel memory foam adapts to side, back, and stomach sleepers for pressure relief, while zoned pocket coils and reinforced lumbar foam provide targeted support for hips and lower back to reduce pain and improve posture.
  • Cool, Breathable & Motion-Isolating Design Moisture-wicking fabric and airflow from wrapped coils keep you cool and dry all night. Motion-isolating coils minimize partner or pet disturbances, and reinforced edges add usable sleeping space.
  • Certified Safe Materials & Easy Setup Made with CertiPUR-US® certified foams—free from harmful chemicals. Backed by a 10-year warranty and delivered in a box for quick, hassle-free setup. Fully expands in 72 hours.

Specs

Bed size, QueenMattress comfort level, MediumMattress type, Hybrid MattressesMattress thickness, 12 inBrand, COMFBOXMaterial, Gel Memory Foam

About this item

Product details

Experience customized comfort with the 12” Queen Hybrid Mattress. Designed for all sleep styles, it features gel memory foam that gently contours to your body and zoned pocket coils for targeted support. Reinforced lumbar foam relieves pressure on the hips and lower back, promoting better posture and reducing pain. Stay cool and dry with breathable, moisture-wicking materials and enhanced airflow. Motion-isolating coils ensure undisturbed sleep, even with partners or pets. With CertiPUR-US® certified foams and a 10-year warranty, this mattress offers comfort you can trust—delivered in a box for easy setup.
  • Comfort & Targeted Support for All Sleepers Gel memory foam adapts to side, back, and stomach sleepers for pressure relief, while zoned pocket coils and reinforced lumbar foam provide targeted support for hips and lower back to reduce pain and improve posture. Cool, Breathable & Motion-Isolating Design Moisture-wicking fabric and airflow from wrapped coils keep you cool and dry all night. Motion-isolating coils minimize partner or pet disturbances, and reinforced edges add usable sleeping space. Certified Safe Materials & Easy Setup Made with CertiPUR-US® certified foams—free from harmful chemicals. Backed by a 10-year warranty and delivered in a box for quick, hassle-free setup. Fully expands in 72 hours.
  • Comfort & Targeted Support for All Sleepers Gel memory foam adapts to side, back, and stomach sleepers for pressure relief, while zoned pocket coils and reinforced lumbar foam provide targeted support for hips and lower back to reduce pain and improve posture.
  • Cool, Breathable & Motion-Isolating Design Moisture-wicking fabric and airflow from wrapped coils keep you cool and dry all night. Motion-isolating coils minimize partner or pet disturbances, and reinforced edges add usable sleeping space.
  • Certified Safe Materials & Easy Setup Made with CertiPUR-US® certified foams—free from harmful chemicals. Backed by a 10-year warranty and delivered in a box for quick, hassle-free setup. Fully expands in 72 hours.
info:
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Specifications

Bed size

Queen

Mattress comfort level

Medium

Mattress type

Hybrid Mattresses

Mattress thickness

12 in

Warranty

Warranty information

Please be aware that the warranty terms on items offered for sale by third party Marketplace sellers may differ from those displayed in this section (if any). To confirm warranty terms on an item offered for sale by a third party Marketplace seller, please use the 'Contact seller' feature on the third party Marketplace seller's information page and request the item's warranty terms prior to purchase.

Customer ratings & reviews

4.4 out of 5 stars
stars
529 ratings170 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars74% (394)
  2. 4 stars7% (36)
  3. 3 stars5% (29)
  4. 2 stars4% (21)
  5. 1 star9% (49)

Reviews summary

Pros

  • : Offers high-quality features at a lower cost.
  • : The mattress provides balanced support with cooling foam.
  • : Provides pressure relief around the hips and lower back.
  • : The mattress reduces back pain and allows restorative rest.
  • : The mattress balances softness and support for back comfort.

Neutral

  • : Can be medium and pressure-relieving, but also firm with noticeable springs.
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Showing 1-3 of 170 reviews

Nov 9, 2026
Reviewer name: rose
Item details
Bed size: King
Mattress thickness: 12 in
Sold byCOMFBOXDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

I've only had this bed for two sleeps, but WOAH can I tell a difference! As a MEMORY FOAM STAN, this bed really takes the cake. I slept so peacefully. At first, I was skeptical of the springs, but you really can't tell they're there. My kid even did a face plant on the bed, and there was no heavy recoil on my back! I'll be ordering another one for him!

Helpful?434E7FBAHC3K16840262825
Oct 29, 2025
Reviewer name: adit
Item details
Bed size: Queen
Mattress thickness: 14 in
Sold byCOMFBOXDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Perfect Balance of Comfort and Support!

This COMFBOX hybrid mattress has completely transformed my sleep! The medium-firm feel is just right - supportive enough for my back but with that plush memory foam comfort on top. I love how the cooling gel keeps me from overheating at night, which was a huge problem with my old mattress. The quality feels exceptional, and knowing I have a 365-night trial and forever warranty gives me total peace of mind. Setup was easy, and after three weeks, I’m waking up without any aches. Highly recommend if you want hotel-quality sleep at home!​​​​​​​​​​​​​​​​

Helpful?434E7FBAHC3K16840262825
Sep 27, 2025
Reviewer name: anonymous
Item details
Bed size: Queen
Mattress thickness: 14 in
Sold byCOMFBOXDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Much Needed Reat

My husband does not sleep well. This was originally due mostly due to back pain. This lack of sleep has quickly progressed into deprivation then and other health problems. We got this mattress in hopes of getting him much needed rest  I was amazed at how quickly this mattress expanded right out of the box! The setup was incredibly easy,. It is very well made and beautifully made.          The comfort level is perfect—medium firm just as described, with the cooling gel memory foam keeping us comfortable all night. The hybrid design gives the right balance of support and softness, and I’ve noticed a big difference in pressure relief compared to my old mattress.  The year trial and forever warranty give me so much peace of mind, but honestly, I already know this mattress is a keeper. my husband is resting again and his health is already improving.

Helpful?434E7FBAHC3K16840262825
Current price is Now $142.00
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was $159.00
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4.5 out of 5 stars
4.5 stars out of 5, based on 84 seller reviews(4.5)
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Free Holiday returns until Jan 31