Everlasting Comfort Memory Foam Car Seat Cushion
Best for: Best for anyone who sits for hours and suffers tailbone or sciatica pain — the U-shaped cutout makes an immediate, measurable difference.
How we pick: we feature gadgets we’ve actually used or tested, score them honestly, and only recommend the ones that earn it. We may earn from qualifying Amazon purchases.
TidyHacks verdict
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Our review
With 123,000+ reviews and the #1 spot in its category, this is the seat cushion half the office workers on Amazon seem to own. The ergonomic U-shaped cutout suspends the tailbone in mid-air, removing direct pressure from the coccyx — and the difference for anyone with sciatica or tailbone pain is immediate.
The memory foam is dense and supportive rather than soft and squishy. It conforms to your shape over the first few days and holds that shape over months without flattening. The breathable mesh cover is machine-washable, and the non-slip base keeps it planted on office chairs, car seats and wheelchairs. One compelling review describes a wheelchair user whose tailbone pain went from excruciating within 10 minutes to comfortable for 3+ hours, mostly healed within a week. People carry it everywhere — office, car, restaurants, flights, stadiums — and the cover looks professional enough that nobody questions it on an office chair. It's doctor-recommended and OEKO-TEX certified. The polarising point is firmness: some expect a soft, plush cushion and find this too firm, but that firmness is what provides the support. If you want something that hugs you, this disappoints; if you want something that holds you up and redistributes pressure off your tailbone, this is the one. A few reports of defective cover zippers, but the cushion itself is universally praised.
👍 Pros
- 123K+ reviews — #1 bestseller in seat cushions
- U-shaped cutout genuinely relieves tailbone and sciatica pain
- Dense memory foam holds shape for months without flattening
- Machine-washable breathable cover with non-slip base
- Portable — works in office, car, wheelchair, airplane
👎 Cons
- Firmness polarising — too hard for people expecting a soft cushion
- Some reports of defective zippers on the cover
- Memory foam has an initial chemical smell — air out before use
- At ~£34 on sale (£60 list), not cheap for a seat cushion
Specifications
| Brand | Everlasting Comfort |
|---|---|
| Fill | 100% memory foam — OEKO-TEX certified |
| Design | Ergonomic U-shaped coccyx cutout |
| Cover | Breathable mesh, machine-washable, non-slip base |
| Sizes | Large + X-Large |
| Use | Office chairs, car seats, wheelchairs, airplane seats |
FAQ
Does it actually help with tailbone pain?
Yes — the U-shaped cutout suspends the coccyx above the surface, removing direct pressure. Reviewers with sciatica, tailbone injuries, and post-surgery recovery consistently report significant relief.
Will it flatten out over time?
Dense memory foam holds shape well. Multiple long-term reviewers report months of daily use without significant compression or loss of support.
Is it too firm?
It is supportive rather than soft. People expecting a plush cushion may find it hard initially. The firmness is by design — it provides structural support rather than just padding.
Can I wash it?
The outer mesh cover is machine-washable. The memory foam core should not be machine-washed — spot clean only. Remove the cover via the zipper.
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