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 design

🚗non-slip base for stability

🛋️100% premium memory foam

956.61 DT

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Description

💼 Elevate your workday comfort—because your back deserves the best!

EASY CARE - Machine washable velour cover for effortless freshness
VERSATILE USE - Perfect for office chairs, car seats, and home seating
TAILBONE SAVIOR - Ergonomic coccyx cutout relieves pressure and pain
CLOUD LIKE COMFORT - Soft, premium memory foam cushions all day long
STAY PUT STABILITY - Non-slip rubber base keeps cushion perfectly in place

The ComfiLife Premium Comfort Seat Cushion features 100% memory foam with a non-slip rubber base and an ergonomic coccyx cutout to relieve tailbone pain. Designed for adults, it fits office chairs and car seats, offering soft yet supportive comfort. The machine-washable velour cover ensures easy maintenance, making it a top choice for back pain and sciatica relief.

Specifications

ASIN	B08HQRRVTH
Age Range Description	Adult
Best Sellers Rank	#1,036,270 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #2,283 in Back & Seat Cushions
Brand	ComfiLife
Coin Variety 1	Memory Foam,Seat Cushion
Colour	Black
Customer Reviews	4.4 4.4 out of 5 stars (2,489)
Enclosure Material	Memory Foam
Fabric Type	Rubber,velour
Fill Material	Memory Foam
Global Trade Identification Number	00850023513021
Item Firmness Description	Soft
Item Weight	1.3 Pounds
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 Features	Premium
Target Use Body Part	Back
Unit Count	1.0 Count

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956.61 DT

Duties & taxes included

In stock

Sold byAmazon TunisiaDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Tunisia.

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