Hero image 0 of Mainstays 3" Memory Foam Mattress Topper, Twin, 0 of 17
50+ bought since yesterdayBest seller
Mainstays 3" Memory Foam Mattress Topper, Twin
Mainstays 3" Memory Foam Mattress Topper, TwinMainstays 3 Memory Foam Mattress Topper TwinMainstays 2 Memory Foam Mattress Topper KingMainstays 3 Memory Foam Mattress Topper KingMainstays 2in TXL TopperMainstays 2 Memory Foam Mattress Topper FullMainstays 3 Memory Foam Mattress Topper QueenMainstays Memory Foam BundleMainstays 3 Memory Foam Mattress Topper FullMainstays 2 Memory Foam Mattress Topper TwinMainstays 2 Memory Foam Mattress Topper QueenMainstays 2 Memory Foam Topper and Pillow Bundle
Bed Size:Twin
Thickness:3 in
Multipack Quantity:1
Key item features
- Available Sizes: Twin, Full, Queen, and King sizes available to fit various bed dimensions.
- Gel Memory Foam: Premium gel memory foam promotes proper sleep posture support and reduces motion transfer.
- Comfortable Temperature: Designed to maintain a comfortable sleep temperature with its breathable design.
- Mattress Extension: Helps extend the life of your mattress by providing an additional 3-inch layer of support.
- Certified Quality: Made with CertiPUR-US certified foam and Oeko-tex Standard 100 certified materials, ensuring safety and durability.
- Easy Setup: Ships compressed and rolled for convenient delivery and easy setup at your doorstep.
- Adult Use: Specifically designed for adult use, supporting all sleep positions.
Generated by AI
Specs
- Fill materialMemory Foam
- FirmnessMedium
- FeaturesHypoallergenic
- Assembled product dimensions (l x w x h)74.00 x 38.00 x 3.00 Inches
Reviews summary
Pros
- : Provides a comfortable sleeping experience with this texture.
- : Made from thick material with adequate cushioning.
- : Offers great value at this cost.
- : Fits standard mattress sizes with minor edge variations.
- : Provides pressure relieving contours.
Cons
- : May have an intense, chemical-like odor that can be overpowering.
Generated by AI
Current price is USDNow $58.00
You save $10.00
was $68.00$68.00
You save$10.00
Price when purchased online
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Columbus, 43215
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About this item
Product details
Enhance your sleep with the Mainstays 3" Gel Memory Foam Mattress Topper, designed for adults and available in Twin, Full, Queen, and King sizes. This supportive mattress topper features gel-infused memory foam that contours to your body, helping to relieve pressure points and reduce motion transfer. Designed to support all sleep positions—back, side, or stomach—it includes a breathable design to promote airflow and added comfort. A great choice for all ages, it's a simple way to extend mattress life and upgrade your sleep surface.
- Mainstays Sizes: Twin / Full / Queen / King
- Premium gel memory foam promotes proper sleep posture support
- Comfortable sleep temperature
- Extends Mattress Life
- Thickness: 3-inch
- Instantly upgrade your mattress and sleep better
- CertiPUR-US® certified foam, ensuring the product is made without harmful chemicals and is tested by independent labs to meet rigorous standards for content, emissions, durability, and performance
- Premium quality materials certified by Oeko-tex® Standard 100
- Ships compressed, rolled and shipped to conveniently arrive at your doorstep for easy setup
- 5 Year Manufacturer's Warranty
- Age Group: Adult
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
Fill material
Memory Foam
Firmness
Medium
Features
Hypoallergenic
Assembled product dimensions (l x w x h)
74.00 x 38.00 x 3.00 Inches
Warranty
Warranty information
5 Year Manufacturer's Limited Warranty
Warranty url
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Customer ratings & reviews
How item rating is calculated
Reviews summary
Pros
- : Provides a comfortable sleeping experience with this texture.
- : Made from thick material with adequate cushioning.
- : Offers great value at this cost.
- : Fits standard mattress sizes with minor edge variations.
- : Provides pressure relieving contours.
Cons
- : May have an intense, chemical-like odor that can be overpowering.
Generated by AI
Customer images
+177 images
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Showing 1-3 of 1,644 reviews
Oct 26, 2025
WalmartCustomer
Item details
Bed size: Full
Thickness: 3 in
Multipack quantity: 1
5 out of 5 stars review
Verified Purchase
It was one of the most affordable mattress toppers for the quality, and the only one in the area that was readily available. Did extensive research, and we are completely satisfied by this purchase. The information provided on the website as well as reliability regarding day-of pickup information was amazing.
Incentivized Review
Helpful?7JB0A36A46F52320810121
Nov 19, 2025
Susan
Top Reviewer
Item details
Bed size: Twin
Thickness: 2 in
Multipack quantity: 1
5 out of 5 stars review
Verified Purchase
Nice cushy mattress topper
this Mainstays mattress topper was a twin XL, very easy to trim off the excess for my twin bed. expanded within 24 hours, thankfully no odor. It's more fluffy than supportive, very comfortable. Added a 2" flat-surfaced Mainstays topper to the pile, for a little more protection on a very firm older mattress, but happy with this one as well. Thank you, Walmart!
Helpful?7JB0A36A46F52320810121
Nov 1, 2025
bhobby
Item details
Bed size: Queen
Thickness: 3 in
5 out of 5 stars review
Verified Purchase
Bought this for our camper as we we're leaving on a 14 day excursion. Absolutely slept perfectly sound and comfortable. Our son and daughter in law bought one three days later while on vacation with us for their camper. We'll definitely be buying one for our grandson's bed at his home!
Helpful?7JB0A36A46F52320810121
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