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SINWEEK Gel Memory Foam Mattress Topper Twin XL, 1.5 in Twin Extra Long Mattress Pad for College Dorm Single Bed, Ventilated Soft Bed Topper, CertiPUR-US Certified, Twin XL Size

  • Based on 6,405 reviews
Condition: New
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Availability: In Stock.
Fulfilled by Amazon

Arrives Saturday, Mar 21
Order within 13 hours and 59 minutes
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Color: 1.5 Inch


Size: Twin XL


Features

  • GEL MEMORY FOAM MATERIAL: Our memory foam mattress topper readily conforms to the curves and shape of your body, distributes weight evenly to alleviate pressure points for better sleep.
  • MORE COMFORTABLE SLEEP: The gel memory foam material used in our mattresses reduces heat and improves the airflow to refresh the gas permeability; add to the mattress for custom comfort.
  • SOFT BUT NOT FOLDABLE: our mattress is soft, do not roll up and store too long after opening, and do not put items on top, which will increase the risk of tearing.
  • CertiPUR-US CERTIFIED: Our Gel Swirl memory foam topper is made of CertiPUR-US certified materials. The Gel Swirl memory foam topper meets or exceeds standards for content, emissions, and durability.
  • BEFORE FIRST USE: leave the memory foam flatly in a well ventilated area for 48-72 hours until its fully expanded. In addition, we offer a three-year warranty and 24-hour manual customer service to ensure your after-sales service.

Brand: SINWEEK


Color: 1.5 Inch


Size: Twin XL


Special Feature: Gel Memory Foam, Ventilated


Closure Type: Pull On


Brand: SINWEEK


Color: 1.5 Inch


Size: Twin XL


Special Feature: Gel Memory Foam, Ventilated


Closure Type: Pull On


Product Care Instructions: Spot Clean Only


Water Resistance Level: Not Water Resistant


Age Range (Description): Adult


Material: Gel Memory Foam


Model Name: Mattress Topper


Number of Items: 1


Manufacturer: SINWEEK


Item Firmness Description: Medium


Product Dimensions: 80 x 39 x 1.5 inches


Item Weight: 5.69 pounds


Item model number: J2-O1K2-KVIP


Refill: memory-foam, gel


Batteries required: No


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Saturday, Mar 21

Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.

To initiate a return, please visit our Returns Center.

View our full returns policy here.

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Top Amazon Reviews


  • Quality & comfort - read directions!
Color: 2 Inch Size: Twin
Great quality and price. Bought 2 of these to add comfort to uncomfortable ikea bunk mattresses. I’m used to a traditional pillow top mattress but slept great on these as a test. Ignore the reviews that didn’t read directions. After a few hours they expand to exact dimensions. They appear short once unboxed. ... show more
Reviewed in the United States on July 25, 2025 by frankelson

  • Saved by the Foam — Spare Bed Now Guest-Ready
Color: 2 Inch Size: Twin
This memory foam topper turned my lackluster spare bed into a sleep-worthy sanctuary. Before this upgrade, the mattress was pretty forgettable—stiff, bland, and only slightly better than a nap on folded laundry. But this topper brought instant plushness, with just the right balance of support and sink-in comfort. Setup was easy: unpacked, fluffed up within a few hours, and didn’t have any overpowering odors. Guests have actually complimented the sleep quality—one even asked if I replaced the entire mattress. (Nope, just added magic on top.) Great for turning blah into “ahh.” Perfect add-on for any spare bed that needs a little love without a full makeover. ... show more
Reviewed in the United States on July 15, 2025 by Vanessa

  • Helped make bed softer
Color: 2in With Cooling Cover Size: Twin
Helped and fit the twin bed perfectly as a topper. No weird smell. Softer and works as it should.
Reviewed in the United States on July 24, 2025 by Leslie S.

  • Comfortable
Color: 2 Inch Size: Twin
Very comfortable topper. Helps a lot with hip pain. I recommend it!
Reviewed in the United States on July 15, 2025 by Bookworm

  • In great condition
Color: 2 Inch Size: Twin XL
I got this mattress topper to put over my bed in my dorm this year, and when i took it out of the package it inflated almost immediately, it is in fantastic condition and is extremely comfortable. Already sent the link for this product to my coworker who is also Dorming this year! The price was absolutely worth it, i would definitely buy this product again without hesitation. ... show more
Reviewed in the United States on July 18, 2025 by Andrew Sandoval

  • Absolutely the Best Sleep I've Had – Transformed My Bed!
Color: 4 Inch Size: Twin XL
This SINWEEK 4” Gel Memory Foam Topper is the best sleep upgrade I’ve ever made. It cradles the body perfectly—like being gently held in a marshmallow. The 4 inches make all the difference in the world. It’s soft, cool, and supportive. Honestly feels more like a luxury mattress than just a topper.
Reviewed in the United States on June 25, 2025 by Dino

  • Great fro camp
Color: 2 Inch Size: Twin
This worked for my brother so well relieving pain that he was able to an extra week at camp. I was worried that bit would be cheap but it is nicely made and great value for the money with great ability to enhance sleep as a bed topper.
Reviewed in the United States on July 25, 2025 by Wildroses

  • Good topper for the price
Color: 2 Inch Size: Twin
This mattress topper was worth the money. I will admit to not using it in a conventional manner, as I used it on top of a camping cot. That being said, it worked very well and provided a good nights sleep. I was a little disappointed in the thickness once the topper had sat out for a bit. It seems to only get to be about 1.5 inches thick. I have not tried to wash this, but it's pretty large so unless you have a newer washer machine, it might not be easily machine washable. I did not notice any difference in temperature while using this. Overall, I am pleased with this purchase as it functioned perfectly for the problem I was trying to solve. ... show more
Reviewed in the United States on June 30, 2025 by amazonshopper

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