Do you need an additional back support for road trip travel with this? Another piece to go against the seat?

I found that this was good enough, especially if you keep a little space between the backrest of chair and cushion. It kind of nestles you in. Also, if you use this AND a back support, there might be too many items on the seat, thus affecting your actual seating room. If you have back problems, Id just go with a back support and no seat cushion. 2cents.

Is this suitable for larger people or does it flatten out?

I am 190 lbs, weight has been fairly constant. My career choice finds me sitting in a chair in front of computer screens for very long days (40-60 hours per week) year round. I purchased this cushion in March of 2019. It is now January 2022. Thinking I might get a new cushion. The front of the cushion is now flattened to 1 1/2 inches from seam to seam in center of each thigh segment. The back is still at 2" and does provide some support (measured when I got up from seat after sitting continuously for an hour). Overall, I feel the support is weakening and this cushion should be replaced. It's been just short of three years, which is beyond satisfactory for the cost and benefits provided.

Do you have any certificates for this cushion?

I did not receive any certificates

Can you tell me the dimensions of this; I'm looking for a cushion that will fit the bucket seat of my Chevy Cruz, so nothing more than 12" to 13" wide

Sure. I measured about 17 1/2 wide, 14 long. Looks like it would be too wide :(

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ComfiLife Premium Comfort Seat Cushion - Non-Slip Orthopedic 100% Memory Foam Coccyx Cushion for Tailbone Pain - Cushion for Office Chair Car Seat - Back Pain & Sciatica Relief (Black)

ComfiLife Premium Comfort Seat Cushion - Non-Slip Orthopedic 100% Memory Foam Coccyx Cushion for Tailbone Pain - Cushion for Office Chair Car Seat - Back Pain & Sciatica Relief (Black)

Product ID: 398659823

Details

Age Range (Description)
Adult
Brand
ComfiLife
Colour
Black
Fill Material
Memory Foam
Item Firmness Description
Soft
Material
Memory Foam

💺Ergonomic coccyx cutout relieves tailbone pressure

🚗Non-slip base perfect for car & office chairs

🧠100% Memory Foam for adaptive support

Description

💼 Sit Smart, Work Better – Elevate Your Comfort Game!

LIGHTWEIGHT PORTABLE - At just 1.3 pounds, take premium comfort wherever your busy lifestyle demands.
MACHINE WASHABLE COVER - Easy-care velour and rubber fabric keeps your cushion fresh and hygienic with minimal effort.
STAY PUT NON SLIP DESIGN - No more shifting or sliding—keeps you stable whether at your desk or on the road.
TAILBONE PRESSURE RELIEF - Innovative coccyx cutout reduces pain and promotes healthy posture instantly.
CLOUD LIKE MEMORY FOAM COMFORT - Experience plush, soft support that molds perfectly to your body for all-day relief.

The ComfiLife Premium Comfort Seat Cushion features 100% memory foam with a non-slip base and ergonomic coccyx cutout designed to alleviate tailbone pain and improve posture. Ideal for office chairs and car seats, it combines soft, durable materials with easy machine-washable care, making it a must-have for professionals seeking all-day comfort and back support.

Specifications

ASIN	B08HQRRVTH
Age Range (Description)	Adult
Age Range Description	Adult
Best Sellers Rank	#1,020,718 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #2,259 in Back & Seat Cushions
Brand	ComfiLife
Coin Variety 1	Memory Foam,Seat Cushion
Colour	Black
Country of Origin	USA
Customer Reviews	4.4 out of 5 stars 2,482 Reviews
Enclosure Material	Memory Foam
Fabric Type	Rubber,velour
Fill Material	Memory Foam
Global Trade Identification Number	00850023513021
Item Firmness Description	Soft
Item Weight	590 g
Manufacturer	100%
Manufacturer Part Number	CLSCBLK
Model number	CLSCBLK
Number of Pieces	1
Pattern	Solid
Product Care Instructions	Machine Wash
Recommended Uses For Product	Car
Shape	Semicircular
Special Feature	Premium
Special Features	Premium
Target Use Body Part	Back
Unit Count	1.0 Count

Reviews

M**N

Too thin foam

Very thin foam cusion

5.10.2025

A**R

غير مطابق للصوره

المنتج غير مطابق للصوره

9.07.2026

M**K

وسادة مريحة ومفيدة

الوسادة مريحة لمن لديهم اصابات او يعانون من عرق النساء مفيدة جدا انصح بها

21.08.2022

S**L

الخامه غير جيده

غير مريحه وسهله الضم ضعيفه

12.07.2026

A**A

Great

Love it

9.09.2023

A**A

COMFY FOR FLIGHTS

I am quite petite 4 foot 11, 45 kg, just as a preface. I use this with a foot sling to make the most recent 5 hour ( X 2) domestic flight comfortable. My butt was very comfortable and I think I could have done a 10 hour flight. It does lift you up a bit and it fit in plane seat. I can't wait to use this for long haul flights! My boyfriend who is 6 foot 3 however found it a bit too tall for him on the plane. It is not so convenient to use portably as this model doesn't have a handle and doesn't have a bag, but I hand carried it, it is pretty light, I think around 500grams?

30.07.2024

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