WhatsBedding 4 Inch Memory Foam Mattress Topper Twin Size for Back Pain Relief, Filled with Breathable Gel Memory Foam, Supportive Pillow Top Mattress Topper
Condition: New
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90-day returns
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FREE 90-day refund/replacement
To qualify for a full refund, items must be returned in their original, unused condition. If an item is returned in a used, damaged, or materially different state, you may be granted a partial refund.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
Availability:
In Stock.
Arrives
Wednesday, Jul 29
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Color: White(4in)
Size: Twin
Features
- Good support, fluffy and soft Skin-friendly breathable mattress cover, Combines the softness of Gel memory foam with the support of shredded memory foam, enhanced pressure relief and breathable surface for comfortable sleep.
- Ergonomic designFits the body curve to relieve pressure and pain. Combines the softness of Gel memory foam with the support of shredded memory foam.While ensuring support, it provides enough softness, bringing cloud-like comfort, balanced support and effective pressure relief, allowing you to sleep more soundly and relax.
- New dot quilting designThis mattress topper is made of high-quality fabrics and New dot quilting technology to ensure that the filling is evenly distributed and prevent lumps after long-term use.
- Stable anchor elastic straps4 stable anchor elastic straps ensure a secure fit, keep it at the place no matter how you toss or turn on bed.
- Warm TipsOur mattress topper is vacuum compressed and packed. Due to the lack of air, it may not look thick enough after opening. Please pat the mattress cover gently and let it stand for 24 hours to achieve the best fluffiness. Whatsbedding focuses on customers' shopping experience. If you have any questions or concerns, please feel free to let us know!
Brand: WhatsBedding
Color: White(4in)
Size: Twin
Fabric Type: Polyester
Special Feature: Bagged, Pillow Top
Brand Name: WhatsBedding
Age Range Description: All
Model Name: Memory Foam Mattress Topper
Number of Items: 1
Manufacturer: WhatsBedding
Unit Count: 1 Count
Model Number: JYTP4
Other Special Features of the Product: Bagged, Pillow Top
Closure Type: Pull On
Water Resistance Level: Not Water Resistant
Fabric Type: Polyester
Product Care Instructions: Spot Clean Only
Material Type: Memory Foam
Thread Count: 400
Size: Twin
Color: White(4in)
Frequently asked questions
If you place your order now, the estimated arrival date for this product is:
Wednesday, Jul 29
Yes, absolutely! You may return this product for a full refund within 90 days of receiving it.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Learn more about financing & leasing here.
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Top Amazon Reviews
Color: Bamboo
Size: Queen
Very soft and kinda lumpy which works great for my back issues. Waking up in the morning with less stiffness …I highly recommend for anyone as my very firm mattress was not good on my back
Reviewed in the United States on July 19, 2026 by Sheila Goodwin
Color: Bamboo
Size: Full
I couldn’t sleep on it. It was too soft so I ended up sending it back.
Reviewed in the United States on July 14, 2026 by Patricia Heydorn
It looked a little flat when I first opened it, but after a day it slowly puffed up. It is very soft when laid on the bed, and the fabric is very comfortable to the touch. Especially when sleeping on the waist and back at night, it feels very comfortable. It is supportive when lying on it, not the soft one that sinks in as soon as you lie down. I especially like the fixed straps at the four corners. It fits firmly on the mattress and won't move when you turn over.
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Reviewed in the United States on January 4, 2026 by ANDY
I bought this memory foam mattress topper for a twin bed, and the difference is incredible. What was once a firm, uncomfortable mattress now feels soft, supportive, and much more relaxing to sleep on. The foam contours to the body without sinking too much, and it really helps relieve pressure on shoulders and hips. It expanded to full size quickly after opening, and there was only a very light scent that went away within a few hours. The topper stays in place overnight and doesn’t shift around, even with regular movement. My sleep quality improved noticeably, and I wake up without the stiffness I used to have. For the price, this is one of the best upgrades you can make to any bed. Highly recommend for dorms, guest rooms, or anyone wanting to improve an older mattress.
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Reviewed in the United States on December 5, 2025 by Marie 🌟
I purchased the memory foam mattress topper in twin size for my son’s bed and it has made a noticeable difference. The topper adds a soft yet supportive layer that instantly improved the comfort of his mattress. It fits perfectly and stays in place, creating a cozy sleeping surface that feels much more inviting. Since adding it, he sleeps much better and wakes up more refreshed. The quality of the material feels durable and well-made, and I appreciate how it enhances the bed without adding bulk. It’s lightweight enough to handle easily but provides the right amount of cushioning for restful sleep. This topper has truly upgraded his bed and given him the comfort he needed.
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Reviewed in the United States on November 17, 2025 by Jason
This mattress topper is a great balance of softness and support. The combination of gel memory foam and shredded memory foam makes it feel fluffy but still stable enough to keep my back comfortable. I noticed that it relieves pressure on my shoulders and hips, helping me fall asleep faster. The breathable fabric keeps the surface cool, which is perfect for warm nights. The four elastic straps keep the topper securely in place, even if I move around a lot while sleeping. After letting it expand for a day, it reached full thickness and felt amazing.
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Reviewed in the United States on November 30, 2025 by YY
After sleeping on this twin size mattress topper for about two weeks, I can say it’s made a real difference in how well I sleep. My old mattress was still in decent shape but felt a bit too firm, and this topper added just the right amount of plush comfort without losing support. It feels like sinking into a cloud, but I still wake up without any back or hip pain.The stitching is solid, the fabric feels smooth and breathable, and the corner straps keep it perfectly in place，no sliding or bunching up at all. It fluffed up nicely right out of the package and didn’t have any weird smell like some other toppers I’ve tried.I use it in my guest room now, and even my niece mentioned how comfy the bed felt when she stayed over.
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Reviewed in the United States on October 10, 2025 by Sophia
This is a nice mattress topper. It looks and feels like it is made out of quality materials and feels like it strong and durable. It was easy to place on my kid's mattress and was easy to size up and secure. My little one says that it is soft and comfortable to sleep on. I like that it is easy to take off to clean. My like little one likes this mattress topper and appreciates how nice it is to sleep on. I like how well it is made and how easy it is to maintain. It is a nice option for a matress topper.
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Reviewed in the United States on October 11, 2025 by Ttxsdt