NightyNight 12" Twin Size Firm Mattress, Cooling Gel Memory Foam Mattress in a Box, Removable, Washable Cover & Non-Slip Bottom
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NightyNight 12" Twin Size Firm Mattress, Cooling Gel Memory Foam Mattress in a Box, Removable, Washable Cover & Non-Slip Bottom

|35 ratings
NightyNight 12" Twin Size Firm Mattress, Cooling Gel Memory Foam Mattress in a Box, Removable, Washable Cover & Non-Slip BottomNightyNight 12 Twin Size Firm Mattress Cooling Gel Memory Foam Mattress in a Box Removable Washable Cover Non Slip BottomNightyNight 8 Full Size Firm Mattress Cooling Gel Memory Foam Mattress in a Box Removable Washable Cover Non Slip BottomNightyNight 12 Queen Size Firm Mattress Cooling Gel Memory Foam Mattress in a Box Removable Washable Cover Non Slip BottomNightyNight 10 Full Size Firm Mattress Cooling Gel Memory Foam Mattress in a Box Removable Washable Cover Non Slip BottomNightyNight 8 Twin Size Firm Mattress Cooling Gel Memory Foam Mattress in a Box Removable Washable Cover Non Slip BottomNightyNight 12 Full Size Firm Mattress Cooling Gel Memory Foam Mattress in a Box Removable Washable Cover Non Slip BottomNightyNight 10 Twin Size Firm Mattress Cooling Gel Memory Foam Mattress in a Box Removable Washable Cover Non Slip BottomNightyNight 6 Full Size Firm Mattress Cooling Gel Memory Foam Mattress in a Box Removable Washable Cover Non Slip BottomNightyNight 12 King Size Firm Mattress Cooling Gel Memory Foam Mattress in a Box Removable Washable Cover Non Slip BottomNightyNight 14 Queen Size Firm Mattress Cooling Gel Memory Foam Mattress in a Box Removable Washable Cover Non Slip BottomNightyNight 10 Queen Size Firm Mattress Cooling Gel Memory Foam Mattress in a Box Removable Washable Cover Non Slip BottomNightyNight 14 King Size Firm Mattress Cooling Gel Memory Foam Mattress in a Box Removable Washable Cover Non Slip BottomNightyNight 6 Twin Size Firm Mattress Cooling Gel Memory Foam Mattress in a Box Removable Washable Cover Non Slip Bottom
Bed SizeTwin
Mattress Thickness12 in

Key item features

  • Removable Cover & Non-Slip Bottom

    Equipped with a fully removable, machine-washable cover and a No-slip bottom, this mattress allows for easy cleaning and stays firmly in place on any bed frame.

  • Stable Support & Long-term Comfort

    Constructed with a thick high-density base layer, the mattress delivers durable, firm support and consistent comfort for extended use.

  • Cooling & Fresh Sleep Experience

    Cooling gel helps maintain a comfortably cool sleep surface, Composed of multiple foam layers for optimal coziness and robust support.

  • Universal Fit & Quick Setup

    This bed-in-a-box mattress works with all standard bed frames and fully expands to its original shape within 72 hours after unboxing.

  • Safe & Fiberglass-Free Design

    Features OEKO-TEX® certified fabric cover and CertiPUR-US® certified inner foam, all materials tested for 1000+ harmful substances and free of toxic chemicals. Compressed and rolled in a box, it fully expands within 48–72 hours, supports up to 750 lbs, and comes with a 365-days warranty.

Specs

Bed size, TwinMattress comfort level, FirmMattress type, Memory Foam MattressesMattress thickness, 12 inBrand, NightyNightMaterial, Green Tea Memory Foam

About this item

Product details

IDEAL FOR：

Side, Back & Stomach Sleepers
Sleepers of All Body Types
Hot Sleepers
Couples & Light Sleepers

1️⃣ COOLING:


BREATHABLE KNIT FABRIC
Breathable air-layer cover enhances airflow.

ENHANCED AIRFLOW
Promotes air circulation and helps reduce heat buildup.

ALL-NIGHT TEMPERATURE REGULATION
Helps regulate temperature for cool, comfortable sleep all night.

2️⃣ COMFORT:


PRESSURE-RELIEVING COMFORT
Contours to your body to help relieve pressure points.

3️⃣ SUPPORT:


MEDIUM-FIRM SUPPORT
Balanced medium-firm comfort and support.

LONG-LASTING STURDY SUPPORT
Designed to provide stable, lasting support.

4️⃣ FRESHNESS:


NATURAL GREEN TEA EXTRACT
Infused with natural green tea extract.

5️⃣ SAFETY:


CERTIPUR-US® CERTIFIED FOAM
CertiPUR-US® certified foam.

OEKO-TEX® CERTIFIED FABRIC
OEKO-TEX® certified fabric.

MADE WITHOUT HARMFUL CHEMICALS
Made with materials you can feel good about.

  • Removable Cover & Non-Slip Bottom

    Equipped with a fully removable, machine-washable cover and a No-slip bottom, this mattress allows for easy cleaning and stays firmly in place on any bed frame.

  • Stable Support & Long-term Comfort

    Constructed with a thick high-density base layer, the mattress delivers durable, firm support and consistent comfort for extended use.

  • Cooling & Fresh Sleep Experience

    Cooling gel helps maintain a comfortably cool sleep surface, Composed of multiple foam layers for optimal coziness and robust support.

  • Universal Fit & Quick Setup

    This bed-in-a-box mattress works with all standard bed frames and fully expands to its original shape within 72 hours after unboxing.

  • Safe & Fiberglass-Free Design

    Features OEKO-TEX® certified fabric cover and CertiPUR-US® certified inner foam, all materials tested for 1000+ harmful substances and free of toxic chemicals. Compressed and rolled in a box, it fully expands within 48–72 hours, supports up to 750 lbs, and comes with a 365-days warranty.

info:
We aim to show you accurate product information. Manufacturers, suppliers and others provide what you see here, and we have not verified it.  

Specifications

Bed size

Twin

Mattress comfort level

Firm

Mattress type

Memory Foam Mattresses

Mattress thickness

12 in

Warranty

Warranty information

We back our mattress with a 1-year full warranty, effective from the date your order is confirmed. Within the warranty period, if your mattress develops issues such as excessive sagging (center or edge support loss over 10%), structural deformation, please reach out to our customer support anytime for a proper solution.

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
35 ratings14 reviews
Includes global ratings and reviews
How item rating is calculated
  1. 5 stars74% (26)
  2. 4 stars11% (4)
  3. 3 stars0% (0)
  4. 2 stars9% (3)
  5. 1 star6% (2)
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
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Showing 1-3 of 14 reviews

Sep 29, 2026
Reviewer name: Evelyn
Item details
Bed size: Twin
Mattress thickness: 6 in
Sold and shipped byNightyNight
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

soft and firm mattress. great for a guest room and or children's room.Very satisfied with the material and quality

Incentivized Review
Helpful?52PV5U4UX2JA20331901564
reply from NightyNight

Hello Evelyn! Thank you so much for your positive review! We are happy to hear this mattress balances softness and firmness perfectly, making it ideal for your guest room or kids’ room. It’s wonderful that you are satisfied with the materials and overall quality. Hope it serves you well for many years! Sincerely, NightyNight Support Team

Sep 28, 2026
Reviewer name: Shana
Top Reviewer
Item details
Bed size: Full
Mattress thickness: 8 in
Sold and shipped byNightyNight
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Very comfortable

This is an exceptionally comfortable mattress! Feels so good laying on it and the simplicity of setting it up is just the cherry on top!

Incentivized Review
Helpful?52PV5U4UX2JA20331901564
reply from NightyNight

Hello Shana! Thank you so much for this fantastic review! We are thrilled to hear how exceptionally comfortable your new mattress is and that you love how easy it is to set up. It makes our day knowing you enjoy resting on it. Wish you countless peaceful nights ahead! Sincerely, NightyNight Support Team

Sep 28, 2026
Reviewer name: Jennifer
Top Reviewer
Item details
Bed size: Twin
Mattress thickness: 8 in
Sold and shipped byNightyNight
5 out of 5 stars
5 out of 5 stars review

Verified Purchase

Matteress

Nice mattress looks very comfortable very well-made and the material is a nice soft feeling

Incentivized Review
Helpful?52PV5U4UX2JA20331901564
reply from NightyNight

Hello Jennifer! Thank you so much for your lovely review! We’re glad the mattress looks great and feels very comfortable. It makes us happy to hear that it is well-constructed with soft, pleasant material. Hope you enjoy many relaxing nights of sleep. Sincerely, NightyNight Support Team

Current price is Now $204.99
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was $392.68
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