1 / 7ZFUHWT Memory Foam Coccyx Seat Cushion, 16.5 × 15.4 in
ZFUHWT’s coccyx seat cushion combines memory foam with a U-shaped tailbone cutout, a removable mesh cover and a non-slip base. Its claimed 4.7-inch thickness and medium firmness may suit desk or vehicle seating, though customer feedback is mixed on firmness and thickness.
At a glance
- U-shaped cutout is intended to leave the tailbone free of direct seat pressure.
- Listing describes temperature-sensitive memory foam that molds to the hips and thighs.
- Removable, zippered mesh cover is listed as machine washable.
- Listing states compatibility with office, car, truck, wheelchair, dining and airplane seats.
Reference price: $34.97
Price checked: Nov 14, 2026
View offerAhead of Black FridayExplore the selectionPros and cons
Pros
- Removable machine-washable cover makes routine cleaning more practical.
- Non-slip base and adjustable detachable straps are intended to help limit cushion movement.
- Listed dimensions provide a useful fit reference for checking a chair or vehicle seat.
Cons
- The cushion adds a listed 4.7 inches of seat height, which may not suit every chair or vehicle setup.
Technical specifications
12 specifications| Brand | ZFUHWT |
|---|
| Shape | Rectangular |
|---|---|
| Dimensions | 16.5"L x 15.4"W x 4.7"H |
| Listed size | standard size |
| Fill material | Memory Foam |
|---|---|
| Fabric type | 100% Polyester |
| Color | Black Mesh |
| Care | Machine Wash |
| Firmness | Medium |
|---|---|
| Special features | Adjustable, Anti-Slip, Breathable, Portable, Removable Cover |
| Target body part | Buttocks |
| Recommended use | Driving |
What to know before buying
Listing details to confirm
The listing presents the cushion as 4.7 inches thick and medium-firm, while customer feedback reports mixed views on thickness and firmness, including some finding it too hard. Treat the pain-relief and posture benefits as product claims, not guaranteed outcomes.
Who is it for?
A good fit for
- Adults seeking a portable memory-foam cushion with a tailbone cutout for desk or driving use.
- Buyers who want a removable, washable mesh cover and a non-slip base.
Less suited to
- Buyers needing a precisely confirmed fit for a specific chair, since the listing only calls it standard size.
- Anyone who needs a particular firmness or seat height without first accounting for the reported mixed feedback and listed thickness.
Customer reviews on Amazon
- 5 stars
67% 67% - 4 stars
14% 14% - 3 stars
11% 11% - 2 stars
5% 5% - 1 star
3% 3%
Customer feedback describes the cushion as comfortable and useful for back or buttock discomfort, and notes support and functionality as positives. Some report that it makes long desk sessions more bearable. Firmness opinions differ, with some finding it too hard, and thickness feedback is mixed. That variation matters because the listing specifies medium firmness and a 4.7-inch profile, which may feel different depending on the user's preferences and seat.
Positive themes
- Customers report comfort and support during extended sitting.
- Customer feedback includes reports of reduced back or buttock discomfort.
Mixed feedback
- Firmness opinions vary, and some customers find the cushion too hard.
- Customer feedback is mixed on the cushion's thickness.
Frequently asked questions
What are the listed dimensions?
The listing gives dimensions of 16.5"L x 15.4"W x 4.7"H. Check these against your seat and desired seating height.
Can the cover be washed?
The listing says the removable, zippered cover is machine washable.
Does it have a tailbone cutout?
Yes. The listing describes a U-shaped cutout intended to keep pressure off the tailbone.
Is the cushion firm or soft?
It is listed as medium firmness, but customer feedback varies, with some finding it too hard and opinions also differing on thickness.
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