round hill Queen Mattress 12 Inch Queen Size Hybrid Mattress in a Box Gel Memory Foam Innnerspring Medium Firm Motion Isolation, White
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round hill Queen Mattress 12 Inch Queen Size Hybrid Mattress in a Box Gel Memory Foam Innnerspring Medium Firm Motion Isolation, White

65 ratings
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Bed SizeQueen
Mattress Thickness12 in

Key item features

  • 【Enhanced Edge Support】 - mattress queen 12 inch based on advanced sleep science, reinforced 2.1–2.3 mm perimeter coils that prevent roll-off and expand your usable sleep surface. Engineered for long-lasting durability, it resists sagging, indentations, and structural deformation over time — keeping your mattress stable and supportive night after night.
  • 【Ergonomic Zoning for Spine Alignment】 - Zoned foam and spiral coils provide softer cushioning at shoulders/hips while reinforcing lumbar support. This colchones queen size mattress features a Euro Top that relieves pressure and keeps spines aligned. Whether you sleep on your side or back, pressure on the head, shoulders, lower back, and legs is precisely relieved.
  • 【90% Motion Isolation & Breathable Stability】 – This queen mattress in a box features a dual-layer "buffer system" combining high-density foam with independent coils. Each pocketed coil is capable of independent movement, absorbing 90% of motion transfer. Highly recommended for couples, it causes a localized response so you won't feel your partner tossing and turning.
  • 【Stay Cool, Sleep Naturally】 - The memory foam hybrid mattress queen is comfortable, breathable, and natural. It effectively wicks away steam and sweat from the contact surface, keeping your body comfortable and dry throughout the night. The queen mattress have independent pocket spring system and egg crate designed foam layer, preventing trapped heat for a cool and comfortable sleep.
  • 【Widely Compatible】 - The queen mattress is engineered to be a perfect fit for most common bed frames - from traditional box springs to modern platforms,power base, bunk beds, and even floors. Please allow 48-72 hours for the full expansion of the hybrid mattress. And, a friendly reminder: be cautious during mattresses rapid unfurling.

Specs

Bed size, QueenMattress comfort level, MediumMattress type, Hybrid MattressesFeatures, Cooling Technology, Breathable Construction, Low Motion Transfer, Mattress-in-a-BoxMattress thickness, 12 inBrand, round hill

About this item

Product details

🌙 Experience the Silence: Hybrid Mattress

The Perfect Balance of Targeted Support & Cloud-Like Comfort

Tired of waking up every time your partner moves? Do you often feel hot in the middle of the night? Or wake up with aches and pains? Our hybrid mattress features an upgraded 7-zone ergonomic support system that perfectly contours to your body’s natural curves, providing precise pressure relief to minimize neck and back discomfort. It also incorporates advanced motion isolation technology and a breathable cooling layer to ensure you enjoy a deep, undisturbed, and cool night’s sleep.

🚀 Key Highlights

Zero Motion Transfer: Individual pocket springs for silent, partner-friendly sleep.

Advanced Cooling: 30% more breathable than standard memory foam.

Edge-to-Edge Support: Reinforced perimeter to prevent sagging and "roll-off."

Certified Safety: CertiPUR-US, and OEKO-TEX certified.

📏 Specifications & Fit

Thickness: 12 Inches\ 14 Inches (Medium Feel)

Sizes: Twin, Full, Queen, King (Standard USA)

Setup: Mattress-in-a-Box (Expands in 48–72 hours)

Warranty: 10-Year Limited Warranty

  • 【Enhanced Edge Support】 - mattress queen 12 inch based on advanced sleep science, reinforced 2.1–2.3 mm perimeter coils that prevent roll-off and expand your usable sleep surface. Engineered for long-lasting durability, it resists sagging, indentations, and structural deformation over time — keeping your mattress stable and supportive night after night.
  • 【Ergonomic Zoning for Spine Alignment】 - Zoned foam and spiral coils provide softer cushioning at shoulders/hips while reinforcing lumbar support. This colchones queen size mattress features a Euro Top that relieves pressure and keeps spines aligned. Whether you sleep on your side or back, pressure on the head, shoulders, lower back, and legs is precisely relieved.
  • 【90% Motion Isolation & Breathable Stability】 – This queen mattress in a box features a dual-layer "buffer system" combining high-density foam with independent coils. Each pocketed coil is capable of independent movement, absorbing 90% of motion transfer. Highly recommended for couples, it causes a localized response so you won't feel your partner tossing and turning.
  • 【Stay Cool, Sleep Naturally】 - The memory foam hybrid mattress queen is comfortable, breathable, and natural. It effectively wicks away steam and sweat from the contact surface, keeping your body comfortable and dry throughout the night. The queen mattress have independent pocket spring system and egg crate designed foam layer, preventing trapped heat for a cool and comfortable sleep.
  • 【Widely Compatible】 - The queen mattress is engineered to be a perfect fit for most common bed frames - from traditional box springs to modern platforms,power base, bunk beds, and even floors. Please allow 48-72 hours for the full expansion of the hybrid mattress. And, a friendly reminder: be cautious during mattresses rapid unfurling.
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Specifications

Bed size

Queen

Mattress comfort level

Medium

Mattress type

Hybrid Mattresses

Features

Cooling Technology, Breathable Construction, Low Motion Transfer, Mattress-in-a-Box

Warranty

Warranty information

10-year Warranty Guarantee - Rest easy knowing that your hybrid mattress is backed by a 10-year warranty. Our dedication to quality ensures your mattress will provide restful sleep for years to come.

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

4.5 out of 5 stars
stars
65 ratings19 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars74% (48)
  2. 4 stars14% (9)
  3. 3 stars2% (1)
  4. 2 stars6% (4)
  5. 1 star5% (3)

Reviews summary

Pros

  • : Provides softness and support for a restful sleep.
  • : Mattress provides notable value relative to its quality.
  • : The mattress delivers a balanced feel with a soft top.

Neutral

  • : A stitched soft top covers a firm base but compresses and sinks.
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Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 19 reviews

Jun 13, 2026
Reviewer name: Pennyc
Top Reviewer
Item details
Bed size: Twin
Mattress thickness: 12 in
Sold and shipped byround hill
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

The best “first bed” for kids!

I can't wait to go to sleep. This mattress is very sturdy and for the price an excellent deal! I got my son to get it out of the box and unroll it. It sounded like a loud can of biscuits when he opened it and the mattress started coming out of the plastic sealed plastic. Laying down on this mattress you will be asleep before you know it. It will make sure you have great dreams! I am in a hospital bed which takes twin sheets. My current mattress is about 5-6 inches. I won't know how to deal with a regular thickness mattress. I have extensive arthritis and scoliosis so I love the firmness but also the mattress top being soft. Get this for your kids for their first big bed they will sleep so much better.

Incentivized Review
Helpful?4QLON06C8XS720077151140
Nov 10, 2026
Reviewer name: inlaw
Top Reviewer
Item details
Bed size: Twin
Mattress thickness: 14 in
Sold byround hillDelivered byWalmart
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Really good buy

Very nice!

Helpful?4QLON06C8XS720077151140
Jun 16, 2026
Reviewer name: anonymous
Top Reviewer
Item details
Bed size: Twin
Mattress thickness: 12 in
Sold and shipped byround hill
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

12 In Twin Gel Memory Foam Mattress In A Box

it was delivered this afternoon! daughter loves it! can get this mattress for a really good price!!

Incentivized Review
Helpful?4QLON06C8XS720077151140
Current price is Now $169.00
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was $269.00
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Arrives by Tue, Nov 17
Sold by round hillPro Seller
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4.708333333333333 out of 5 stars
4.7 stars out of 5, based on 26 seller reviews(4.7)
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