Description
xElevate Your Sleep with Ninemoon
Transform your existing bed into a cooler, more supportive sleep surface with the Ninemoon 3-Inch Cooling Memory Foam Mattress Topper for King beds. Gel-infused memory foam creates a breathable layer that helps air circulate under the night air, delivering a surface that feels fresh to the touch. The topper works with your body to provide a gentle balance of softness and support, encouraging a comfortable alignment across the whole bed without the common sensation of a sink-in edge.
What makes it stand out
- Cooling gel foam promotes airflow and helps regulate temperature for a more comfortable sleep environment.
- High-density support contours to your curves, easing pressure points and supporting spinal alignment across the surface.
- Removable bamboo cover keeps your sleep space clean; it’s OEKO-TEX certified and paired with CertiPUR-US foam for quality you can feel.
- Non-slip design with adjustable straps and a non-slip bottom stays in place, so you won’t feel shifting or readjustment at night.
- Easy setup & long-term protection expands fully in 24–48 hours after opening; the bamboo cover is machine washable on cold, gentle cycle; memory foam core is not washable. Backed by a 10-year warranty.
Who might enjoy this topper
- Hot sleepers seeking a cooler sleeping surface without replacing the entire mattress.
- Couples who want more even support and reduced motion transfer for undisturbed rest.
- Guest rooms or primary bedrooms needing a simple upgrade with a fresh, clean cover.
Care and longevity
Remove and wash the cover as needed to maintain freshness. Allow 24–48 hours after opening for full expansion. The 10-year warranty provides long-term confidence in everyday comfort without promising specific results.
FAQ
Q: What are the dimensions and expansion time for the King topper?
A: King size is 75 by 80 inches; full expansion occurs 24–48 hours after opening.
Q: Is the memory foam core washable, and how should I care for the cover?
A: The memory foam core is not washable; the removable bamboo cover is machine washable on cold.
Shipping & Return
xReturns Policy
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
Shipping
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
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