NightyNight 8" Twin Size Firm Mattress, Cooling Gel Memory Foam Mattress in a Box, Removable, Washable Cover & Non-Slip Bottom
NightyNight 8" Twin Size Firm Mattress, Cooling Gel Memory Foam Mattress in a Box, Removable, Washable Cover & Non-Slip Bottom
Hero image 0 of NightyNight 8" Twin Size Firm Mattress, Cooling Gel Memory Foam Mattress in a Box, Removable, Washable Cover & Non-Slip Bottom, 0 of 8
NightyNight

NightyNight 8" Twin Size Firm Mattress, Cooling Gel Memory Foam Mattress in a Box, Removable, Washable Cover & Non-Slip Bottom

|2 ratings
NightyNight 8" Twin 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 8 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 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 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 Size:Twin
Mattress Thickness:8 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

    CertiPUR-US, OEKO-TEX® certified, tested for 1000+ harmful substances, no toxic chemicals. Compressed and rolled in a box, expands within 48-72 hours, supports up to 750 lbs, and includes a 10-year spring warranty.

Current price is Now $145.99
You save $116.79
was $262.78
Price when purchased online
  • Free shipping
  • Free 30-day returns
Walmart Accident Plan by Allstate
Pro Haul Away Service

How do you want your item?

How do you want your item?
Ships to
Arrives by Mon, Jun 29
|
Sold and shipped by NightyNightPro Seller
5 stars out of 5, based on 20 seller reviews(5.0)
Free 30-day returns

About this item

Product details

Specifications

Warranty

Customer ratings & reviews

4.5 out of 5 stars
stars2 ratings2 reviews
How item rating is calculated
  1. 5 stars50% (1)
  2. 4 stars50% (1)
  3. 3 stars0% (0)
  4. 2 stars0% (0)
  5. 1 star0% (0)
Filtered and sorted results would be available on the new 'Customer ratings & reviews' page.
Sort by |

Showing 1-2 of 2 reviews

Jun 15, 2026
JSPAR327
Top Reviewer
Item details
Bed size: Twin
Mattress thickness: 8 in
Sold and shipped byNightyNight
5 out of 5 stars review

Verified Purchase

Extremely comfortable mattress

I am beyond thrilled with this mattress! I cannot believe how comfortable it is, I know a lot of mattresses come in boxes now. However I could not have imagined how high quality this one is. After getting it out of the box, it immediately took shape. I decided to lay on it after about an hour and I am in awe! I highly recommend this mattress!

Incentivized Review
Helpful?52PV5U4UX2JA20151714818
Jun 15, 2026
Frida
Top Reviewer
Item details
Bed size: Queen
Mattress thickness: 12 in
Sold and shipped byNightyNight
4 out of 5 stars review

Verified Purchase

Good Support and Cooling

The thickness is just right, the medium firmness feels accurate, and it gives excellent support without sagging. The cooling performance is genuinely good — it stays comfortable through the night. For the price, the value is honestly hard to beat, and delivery was smooth and on time. A couple of drawbacks: the top surface is not quilted, so it feels very flat compared to mattresses with a cushioned top layer. Also, the cover isn't cotton, so it has a slightly synthetic/artificial feel. Overall, a great value mattress with solid support and cooling, just not the plushest surface finish.

Incentivized Review
Helpful?52PV5U4UX2JA20151714818