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The TranquilRelax Large Seat Cushion features a generous 18.5"x16.92" size with high-density memory foam engineered for targeted relief of tailbone, hip, and sciatica pain. Its ergonomic beveled edge promotes better posture by aligning the pelvis, while the medium-firm foam offers lasting support without bottoming out. A breathable, removable mesh cover is machine washable, and a non-slip rubber base ensures stability on any chair. Ideal for office, car, or home use, this cushion is a versatile, durable solution for anyone seeking all-day comfort during long sitting hours.






| ASIN | B0D1TC1BZW |
| Age Range Description | Adult |
| Best Sellers Rank | #2,092 in Office Products ( See Top 100 in Office Products ) #20 in Back Cushions & Seat Cushions |
| Brand Name | TranquilRelax |
| Color | Black |
| Customer Reviews | 4.2 4.2 out of 5 stars (1,821) |
| Fabric Type | 100% Polyester Mesh Cover |
| Fill Material | 100% High Density Memory Foam |
| Item Dimensions L x W | 16.92"L x 18.5"W |
| Item Firmness Description | Medium Firm |
| Item Weight | 1.21 Kilograms |
| Manufacturer | TranquilRelax |
| Manufacturer Part Number | MPN-TR0001-L-BL |
| Material Features | Breathable, Moisture Wicking |
| Material Type | Memory Foam |
| Material Type Free | Formaldehyde Free, Latex Free |
| Model Name | MPN-TR0001-L-BL |
| Model Number | MPN-TR0001-L-BL |
| Number of Pieces | 1 |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Recommended Uses For Product | Driving, Reading, Resting, Sitting, Traveling |
| Shape | Rectangular |
| Size | X-Large |
| Special Features | Anti-Slip, Moisture-Wicking, Portable, Removable Cover, Breathable |
| Target Use Body Part | Buttocks, Legs |
| Unit Count | 1.0 Count |
J**P
Comfortable
The TranquilRelax Large Seat Cushion is fantastic! The memory foam is very comfortable, providing excellent support for long hours of sitting on an office chair. It helps reduce fatigue and improves posture, making it ideal for work or gaming sessions. The cushion feels professionally made, and the large size fits well on most chairs. For the price, it’s absolutely worth the money — a great deal that combines comfort, quality, and durability. I didn’t find any drawbacks; it performed perfectly from day one. Overall, a highly recommended seat cushion for anyone looking to make long sitting hours more comfortable.
B**E
Comfortable, cool, thickness and worth every dollar!
Absolutely worth every dollar”. No paid review, no strings attached. Keep it clean and you are good to go. Fits well oversized, cool and gel-springs right back up after seating long hours. My budget was simple did not want to invest on expensive ergonomic bulky chairs, taking up space in my bedroom with a small computer set up. This two sets of gel cushions keep my back nice and straight and comfortable. The bottom chair gel-cushion has been excellent at keeping its shape and does provide excellent cushioning when sitting anywhere from 6-8 hours. The top back gel cushion-also got from Amazon and it’s absolutely a must! Chair cushion cover Easily washable, but cleans off w a chub too. If you’re looking to create a “small desk station with a nice chair” and provide yourself with comfort if have a limited budget, this is absolutely an ideal set up. Have a nice set up does not require immense expense, just the right necessities! Good support, firmness just right, well designed. The quality is very good for the price. I recently started working from home, remote more and did not want to spend an immense amount of money on chairs and set ups that would take up space in my bedroom, etc., this was just an ideal set up for my laptop and my screen. Bought the desk Amazon too easy set up.
M**L
Not the worse but not the best. Somewhere in between
This thing was as hard as a rock when it first showed up. Let it sit in front of the heater for 10 min to soften it up. Then I sat on it and almost broke my a** bone 🦴😂. After a few minutes though the comfort set in, but not the most comfortable. Memory Foam, more like Prison foam
S**S
Super cushiony tush saver !
Have you ever sat in a hard wood chair for long at an elementary school? I have and it's not fun! It saved my tush & back from aching. This was well worth it's price. Good quality, you sink down in it in comfort, the size is perfect an the front slants slightly to accommodate your legs. It's not heavy - I carried it to the gym in the school where I sat on the floor with the kids. It's a nice black and would be perfect in an office chair, car seat, or even on a bleacher seat at a game.
K**J
Rocky seat
I have learned that I need to read ALL reviews. Because the positive are usually at the top. This cushion is like sitting on a rock. It came quickly and packaged well. It was rolled up and shrink wrapped. I didnt know you could roll a rock up..but apparently its possible. Who knew. Minimal odor which soon went away. It was kinda soft..after all it did roll. Left it to expand and it did that. Looked really well. Fit seat well. Yes!! Finally sit on cushion. Cushion..lol. There was absolutely no give in it at all. I gave it time and it did soften and while not totally comfortable, it was doable. Until I.got up for dinner and an hour later the cushion was a rock again. No give for about 20 mins and it softened. But now its just hard and impossible to use. It's true to size. It is portable and its fits. But it caused more pain than it was supposed to relieve. 3 stars because it is true to size. Portable and odorless. It is firm alright. The memory part of the foam is also correct. It sure remembers the rock solid feel.
T**Y
Comfy for your bum bum!
I was not sure if this would do the trick since it's such a good price. I was pleasantly surprised. It's firm and your bum bum doesn't slide all over the place. I have spine and leg issues, and this cushion helps. My husband teaches guitar and I bought him one too. I'm now his favorite wife.
B**O
Chair cushions
This was was a gift.for a friend look very comfortable but needed to be return because was to small for the chair that was intended. Make sure to measure before you order. But is excellent quality
D**S
Does mist of what it should, for now at least
Why did you pick this product vs others?: I picked this cushion because of thickness, supposed memory foam-resilience and price. It mostly works for my intended use. My office chair is stuck at one height, which is a few inches too low for optimal monitor-eye alignment. This cushion acts as about a 3 inch booster seat, putting my eyes in better alignment with my monitor so I don’t have to crane my neck and tilt my head up all day. So it works well for that purpose? The first 2-3 weeks after I started to use it, it caused a sore lower back. As it compressed slightly and my body became used to the feel, the discomfort had gone away. However after about 6-8 weeks, I’ve started to notice that the cushion is slightly more compressed in one side and I feel a bit like it’s twisting me to that side. This may be because I weight that side of my body more heavily when crossing my legs. So I don’t think the cushion will last as long as anticipated before it’s too compromised for required support. But it was only $16 - less than a good office lunch.j
W**H
DISCRIPTION OF ITEM IS INCORRECT. IT STATES ITS A SOFT FOAM , UMM NO ITS NOT ITS HARD AS ROCK. AND WORSE IS TO SHIP IT BACK FOR REFUND, IT WILL COST ME JUST ALMOST AS MUCH AS WHAT I PAID FOR IT. ITS RIDICULOUS. WHEN I SENT THE SELLER A MESSAAGE ALL THE COMPANY OFFERED WAS A 15% REFUND AND I COULD JUST KEEP IT. NEVER TRUST THIS COMPANY!!!!
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