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🛋️ Upgrade your downtime with the backrest pillow that means business.
The Casper Sleep Backrest Pillow is a 24x24 inch wedge-shaped support pillow weighing 11.4 lbs, crafted from a breathable polyester-spandex knit fabric. Engineered for versatile use—whether hugging, sitting up, or placing between knees—it offers medium-firm cushioning that alleviates back and neck strain. Its removable, machine-washable cover and waterproof design make it a durable, easy-care essential for professionals seeking ergonomic comfort during work or relaxation.

















| ASIN | B09KMG72X8 |
| Age Range Description | Adult |
| Best Sellers Rank | #288,511 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #615 in Bed Pillows |
| Brand Name | Casper |
| Color | Gray |
| Customer Reviews | 4.4 4.4 out of 5 stars (544) |
| Fabric Type | 92% Polyester, 8% Spandex, Knit, Inner Chamber: 80% Polyurethane Foam, 20% Polyester Fiber Fill, Lining: 100% Polyester, Knit Mesh, Outer Chamber: 100% Polyester Fiber |
| Fill Material | Polyester |
| Item Dimensions L x W | 24"L x 24"W |
| Item Dimensions L x W x H | 24"L x 24"W x 2.5"H |
| Item Firmness Description | Medium |
| Item Type Name | Casper Sleep Backrest Pillow |
| Item Weight | 9 Pounds |
| Manufacturer | Casper Sleep |
| Manufacturer Part Number | 951-000549-001 |
| Material Type | Polyester |
| Model Name | Casper Sleep Backrest Pillow |
| Model Number | 951-000549-001 |
| Number of Pieces | 1 |
| Pattern | Solid |
| Product Care Instructions | Cover: Remove from pillow. Machine wash cold gentle cycle. Do not bleach. Dry flat. Do not iron. Pillow: Spot clean only. Fluff frequently |
| Recommended Uses For Product | Sitting |
| Shape | Wedge |
| Size | One Size |
| Special Features | Waterproof |
| Target Use Body Part | Neck |
| UPC | 192472026654 |
| Unit Count | 1.0 Count |
T**T
Expensive, but worth it
For background I am a 40 hour a week desk jockey, and during the pandemic when we were sent home I ended up sitting all over the house (couches, beds, etc.) to work. This wrecked my back via poor posture, no support, and caused tech neck. I went through 18 months of chiro treatment which did help me (mostly) get back into alignment, and I read the McKenzie Method book and now regularly practice the exercises from that book. Most days I stretch, which helps. But the back soreness and headaches were still creeping in, due to my love of reading in bed. I spent some $$ on the XXL husband pillow here on Amazon back in 2020 (it was ok) and used it for about three years. Then I saw a review for the Casper and thought what the heck? What can it hurt to try it, there is a decent return policy. I have used the Casper backrest 4 nights now, and have woken up with zero lumbar/back soreness or cervical/neck pain and/or headaches. Yes, zero. So so glad I pulled the trigger on this one. It is large, yes, but it is a backrest, not a bolster pillow. And I have no issues moving it off the bed, and I am not a weightlifter. See photos for comparison to a regular standard-size pillow. The beauty of this backrest is the comfortable support, and how it is tapered, with great support for your lower back. And it is not too hard, not too soft.
L**U
THE BEST READING PILLOW
So before purchasing I read a lot of the reviews on this product, because even with the Prime Day discount - this was an expensive pillow. So far I have used this pillow for watching TV on the floor, reading on the couch, sleeping on my side, back, and stomach, and had my mom try it out for a few hours of couch reading. We both love it, and she was seriously surprised with how comfortable it was. I didn't intend to make this my sleeping pillow, but I adore it. The cushioning and support are incredible. When side sleeping with my shoulder on top of the pillow, it still supported my head, and I could tuck my arms underneath it for even more support. I do often suffer from heartburn at night, and am excited about the "wedge" shape and being able to sleep slightly elevated with this pillow - instead of piling 4 regular pillows to try and achieve the same thing. I read reviews about how "heavy" it is and that being an issue, but honestly the weight of it is comforting and prohibits me from yeeting it from the bed during my sleep like all my other flimsy pillows. Since unboxing, I have not noticed any strange smell or noticeable off-gassing. I will be making a few extra pillow cases, as it won't fit anything traditional and I want it to last in my house full of pets. Do yourself a favor and buy the damn pillow. P.S. my senior dog loved it the most and has claimed it as her own.
C**N
Super Comfortable and Supportive Pillow
I had a lot of back pain in my shoulders when using my regular couch cushion. I had tried adding more stuffing but nothing would fix it. I got this pillow and it has been a game changer! It is super supportive and extra comfortable. The foam inside manages to support my back while providing a plush place to lean back on. I needed up just using this instead of my couch cushion because it just works so well. The size is just right form me and my sofa!
J**.
Very comfortable but I hate the color
I bought and returned several other pillows before buying this one. I only use it for reading/watching TV in bed and I have found it to be super comfortable for that. It’s soft enough to mold to your body but still offer support. Be aware this pillow is heavy and the cover is much more blue than gray. It doesn’t match any of my other decor and I’m not aware that they sell covers in other colors. Big mistake on their part! Certainly I’m not the only customer that would like a more neutral colored cover.
K**H
Oddly awesome
I am not a review writer. But this is one of those weird things that seems super overpriced, but yet is so functional and awesome. I got one for my daughter for college and she started using it all the time and I kept thinking how I would like one. Ordered it. And now I never have to arrange five pillows so my back doesn’t hurt when I’m sitting in bed reading. It’s just the Casper. It is crazy big and heavy, but I think it’s super worth it.
A**R
Wowza super impressed! It is SO comfortable!! Bought to use in bed as a backrest for nursing our baby coming soon and it is going to be perfect. Don’t hesitate to buy if you want a comfy backrest cushion. You won’t be disappointed.
B**E
I've tried a few different brands and models and this is the best most functional and most comfortable option.
Y**N
Very comfortable
Trustpilot
2 months ago
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