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SINWEEK 2 Inch Gel Memory Foam Mattress Topper King Size, Ventilated High Density Pad for Back Pain, Bed Topper with Removable Soft Cover, CertiPUR-US Certified

  • Based on 1,621 reviews
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Availability: In Stock.
Fulfilled by Amazon

Arrives Tuesday, Aug 19
Order within 14 hours and 57 minutes
Available payment plans shown during checkout

Size: King(78 x 80 inch)


Style: 2 Inch (White Cover)


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.
  • Increase Softness and Comfort: A comfortable and affordable way to fix a sagging mattress, soften a hard mattress, or prolong your mattress life. Instead of buying an expensive mattress, our mattress topper wont cost you an arm and a leg.
  • Non-slip & Machine Washable cover: Use skin-friendly and breathable Polyester fiber, with elastic straps and anti-slip surface backing to prevent sliding and premium metal zipper for easy removal and washing.
  • Certification: Our Gel memory foam topper is made of CertiPUR-US certified materials and soft cover is certificated OEKO-TEX. The memory foam topper meets or exceeds standards for content, emissions, and durability.
  • Note: Leave the memory foam flatly in a well ventilated area for 48-72 hours until its fully expanded. Tips: Low temperature may need more time, find a suitable temperature(78F) will shorten the time.

Brand: SINWEEK


Color: White


Size: King(78 x 80 inch)


Fabric Type: Polyester Fiber


Special Feature: Durability,Premium,Removable


Brand: SINWEEK


Color: White


Size: King(78 x 80 inch)


Fabric Type: Polyester Fiber


Special Feature: Durability,Premium,Removable


Closure Type: Zipper


Product Care Instructions: Machine Wash


Water Resistance Level: Not Water Resistant


Age Range (Description): All ages


Material: Gel Memory Foam


Model Name: Mattress Topper


Manufacturer: SINWEEK


Product Dimensions: 79 x 75 x 2 inches


Item Weight: 16.12 pounds


Item model number: MT03


Date First Available: February 16, 2023


Frequently asked questions

If you place your order now, the estimated arrival date for this product is: Tuesday, Aug 19

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


  • Buy this Mattress Topper, you won't regret it
Size: Queen Style: 3 Inch (White Cover)
This is a fantastic mattress topper! My sleep was much improved the very first night. It only took 12 hours for the topper to unfold and lay flat. Great value for the price paid. Great quality. No odor from the factory. It does not make you warm. It keeps its thickness. I have hip and back pain and this mattress topper has greatly relieved my pain ... show more
Reviewed in the United States on June 24, 2025 by Amazon Customer

  • Must have dorm item
Size: Twin XL(39 x 80 inch) Style: 3 Inch (White Cover)
Our family loves these mattress toppers. We bought for our son who went to college last year and he reported back that he absolutely loved having this and it was a “must have” item for a dorm. He slept great on it, its firmness and support was fantastic and it holds up well over time. The memory foam is great and the straps to secure it are a must. Overall, it was a great value for the money and we felt so strongly about it that we came back this year and bought another one for our other son who heads to college this fall. Now they both have one! ... show more
Reviewed in the United States on July 26, 2025 by FlanJK

  • You gotta help it along-then it's AMAZING!
Size: Twin(39 x 75 inch) Style: 2 Inch (White Cover)
I've seen reviews that this thing won't expand to it's intended 2 inches, or at all for that matter. I witnessed that as well. But I really didn't want to return this item. So I dinked with it. You gotta stretch it a bit- GENTLY- bc it will rip between the holes on the surface. Not it's fault, I was over zealous :P It's really separating itself from itsself so it can let in the air. It's a bit like moon sand when it's that compressed. After it takes it's air, it doesn't stick to itself anymore. I had mine in sleeping order within an hour and it. is. so. COMFY! I don't even like memory foam because when it first came out years ago, it would hold the shape of my body indent. This does NOT do that! I have a bad back and huge bo@bs, so I can't sleep on my back, or my tummy, but when I laid down on my bed with this topper before bedtime, to check how it felt, just on my back... I was so comfortable I feel asleep right away! The lights were still on and everything 🤣. I only woke up because my daughter was like, "mom, what are you doing?!" I didn't put her to bed yet lol. I just wanted to try the topper after I made the bed. And I don't like the idea of a 'cooling' topper, but it's not what I thought..... I always wake up sweaty, always. And today, I didn't!!!! My bed was warm and snuggly comfy right when I got in and throughout the night but I didn't sweat like I usually do!!! AMAZING!!! And I usually wake up several times through the night, but I don't remember waking up once!!! I just realized that!! I am excited to go to the bed now... How awesome. Don't give up on it right away. This'd is an excellent deal! No weird smells either! Usually there's some kind of chemical smell with these kind of things, not this one. I didn't smell anything at all. You can stretch it but standing on one end and pulling gently on the other end. Just enough to separate itself from itself inside (I took the cover off). The corners need you to use your fingertips and pull the back away from the front, kinda thing. Gently and slowly. You can even hear it letting go of itself, then watch as it does that moonsand thing... You can see it expand right then. Looks cool. I didn't measure mine, just let it litter there a few minutes after releasing all the wrinkles and creases. Comfy!!! My daughter wanted me to order another one just for her to play on in the living room :p I actually rolled across it to avoid crawling when I was putting the cover back on (the zipper is missing the dangly part on all of them I think, on purpose. Just grab it with two fingers on front and back to zip/unzip) and also to make my daughter laugh) My big body did not hurt a bit doing those rolls. I anticipated my spine grinding on the floor underneath the topper since I'd just finished releasing the wrinkles, and I'd only had the thing in possession for an hour (I opened it immediately to give it the anticipated time of 48 hours to expand). After a half hour I checked on it, and it hadn't changed a bit. That's when I decided to dink with it. I recorded some video but don't know if I'll use it since I was huffing and puffing because I'm a fat 🤣. Jk. But I am 😁 I just realized!!! I didn't struggle to get out of bed either!!! I usually wake up wracked with pain!! (Bad back/prev surgeries and procedures). I'll have to pay attention better tomorrow, because that's A HUGE deal!! I'll update if I remember... Wow. So cool! ... show more
Reviewed in the United States on February 28, 2024 by Apey252 Apey252

  • Very nice, but...
Size: Full Style: 2 Inch (Grey Cover)
I bought this for my memory foam mattress but had been using it to sleep on the floor due to back issues. It was perfect for that, very comfortable. I recently moved it back to my mattress and I end up sweating every night. Not sure if it's because it's on a memory foam mattress or what but it doesn't seem to breathe. My bedroom is always cool (60-ish) and I have a fan on, but this is just too hot. ... show more
Reviewed in the United States on February 9, 2025 by Cynthia A Russell

  • I know why my experience is much more positive than others. Here what you should consider, too.
Size: Twin(39 x 75 inch) Style: 2 Inch (Grey Cover)
There are one-star reviews that describe this topper 'bottoming out', not keeping its shape, and so on. But lots of other people give it rave reviews. Why the wide range? For two reasons: First, this is an unusually soft kind of memory foam, which gives it special properties that can create luxurious comfort. But it also means it will be more delicate than the firm stuff. The way to love this topper is to apply it ONLY AS A TOP LAYER, on top of a firmer, thicker memory foam mattress or topper. This is a well-known way to build the perfect level of softness on top with firm support underneath. If it is used directly on top of a more rigid, conventional mattress, it may cause the complaints others have raised. Second, if it doesn't inflate to its full, normal size, use a hair dryer on "low" and gently run the hair dryer over it while MASSAGING THE MATERIAL, little bit little. As you massage it in a mildly warm state, you will see it inflate properly. ... show more
Reviewed in the United States on July 14, 2025 by AM321

  • Comfort
Size: Full Style: 3 Inch (White Cover)
Perfect fit, very comfortable, corner straps are very convenient to hold it down.
Reviewed in the United States on July 30, 2025 by Victor Caraballo

  • Comfortable
Size: Full Style: 3 Inch (White Cover)
Nice and thick adds great comfort to bed
Reviewed in the United States on July 28, 2025 by RaquelRoxanne04

  • Magnificent sleep quality and value for money
Size: Queen Style: 3 Inch (White Cover)
Sleep quality: Soft but thick enough to keep me from feeling the springs in my pull out bed. Value for money: Such good quality for the money.
Reviewed in the United States on July 12, 2025 by Shasmo

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