Mainstays 6" Innerspring Mattress, Twin

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Mainstays 6" Innerspring Mattress, Twin
Mainstays 6" Innerspring Mattress, Twin
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Mainstays 6" Innerspring Mattress, Twin

4.2 stars out of 4134 reviews
(4.2)|
4,134 ratings

Key item features

  • Perfect Fit: The six-inch profile of this spring mattress is ideal for bunk beds, trundle beds, and dorm rooms.
  • Firm Support: Offers full-body support for any sleeper with its firm mattress design.
  • Multiple Sizes: Available in Twin, Twin XL, and Full configurations to suit different needs.
  • Convenient Shipping: Ships compressed in a box directly to your doorstep; allow 48 hours for full expansion.
  • Frame Compatibility: Compatible with platform frames or traditional box springs.
  • Durable Materials: Made from polyester, rayon, polyurethane foam, polypropylene, olefin, and steel coils.
  • Compact Dimensions: Assembled dimensions are 74" L x 37.5" W x 6" H, and it weighs 20 pounds.
  • Easy Setup: No assembly required, making it hassle-free to set up and use.
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Current price is $88.88
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4.2 out of 5 stars
stars4,134 ratings1,609 reviews
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Showing 1-3 of 1,609 reviews

Dec 14, 2025
latrece
Top Reviewer
Item details
Bed size: Twin
Material: 2023
Mattress thickness: 6
5 out of 5 stars review

Verified Purchase

solid value option for occasional use

Guests have commented that it's comfortable for sleeping, and it holds up well to occasional use. The gel foam cooling works adequately, and the innerspring support is reliable. It's a functional mattress that does what it promises without surprises.

Helpful?ab0525b0-d40d-11f0-980e-3120d490b939869826853
Oct 30, 2025
daniel
Item details
Bed size: Twin
Material: 2023
Mattress thickness: 6
5 out of 5 stars review

Verified Purchase

way more comfortable than I expected for costing so little, doesn't hurt my back like old mattress. I got the folding metal frame from same brand and that was really cheap cost but like mattress was way stronger than I expected. the frame is two foldable parts that fold up easily and very compact that fit in a closet. I can setup the bed or take it apart in about 2 minutes. good for small rooms or guests. I'm 6 feet 200 pounds, so it's not just for kids.

Helpful?ab0525b0-d40d-11f0-980e-3120d490b939869826853
Dec 13, 2025
Randalyn
Top Reviewer
Item details
Bed size: Twin
Material: 2023
Mattress thickness: 6
5 out of 5 stars review

Verified Purchase

Worth it. It's

Needed a quick solution for my 2 boys and this was it. Ordered 2 of them, came in 2 big boxes, un-rolled them, watch them grow over 24 hours and now their beds. They're perfect for a quick solution.

Helpful?ab0525b0-d40d-11f0-980e-3120d490b939869826853