# Niceeday Adjustable Memory Foam Coccyx Seat Cushion, 5.9-Inch Maximum Height

Inch Maximum: The Niceeday adjustable seat cushion is a thick memory-foam cushion with a coccyx cutout and removable lower layer for changing its seating height. Its substantial profile may suit firm office or home chairs, but the listing advises checking chair dimensions and notes that it may be bulky on small or soft seats.

- [Original product page](https://best-deals.pro/product/niceeday-adjustable-memory-foam-coccyx-seat-cushion)
- [View offer](https://best-deals.pro/visit/niceeday-adjustable-memory-foam-coccyx-seat-cushion)
- Market: US
- Language: en-US
- Currency: USD
- Brand: Niceeday
- Category: Home & Kitchen > Home Textiles > Pillows, Cushions & Inserts
- Price: 25.97 USD
- Previous price: 35.99 USD
- Discount: 28%
- Price checked: 2026-11-14T06:43:23.559Z
- Rating: 4.2 / 5
- Reviews: 52

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- A U-shaped center cutout leaves space around the tailbone, while the contoured sides support the hips and thighs.
- The lower layer is removable to create a lower seating profile. The listing gives approximately 4 inches without it and approximately 5.9 inches at full height.
- The listing describes grip points underneath and a removable, machine-washable mesh cover.

## Pros

- Height can be adjusted by removing the lower layer rather than replacing the cushion.
- The coccyx cutout and contoured shape are designed to reduce direct tailbone pressure while seated.
- Anti-slip grip points and a removable cover are listed practical features for chair use and cleaning.

## Cons

- The full-height cushion can noticeably raise sitting height and may not suit small chairs or confined car seats.
- Its tall, substantial shape may be a poor fit for deep or soft seating, according to the listing.

## Specifications

### Identity
- Brand: Niceeday
- Size: Large Seat Cushion
- Color: Dark Gray
- Pieces: 1
### Materials and construction
- Fill material: Memory Foam
- Cover fabric: 100% Polyester
- Firmness listed: Medium
- Features listed: Adjustable, Anti-Slip, Foldable, Hip support, Removable Cover
- Pattern: Solid
### Dimensions and installation
- Dimensions: 17.72"L x 15.7"W x 5.9"H
- Form factor: Coccyx Cutout
- Weight listed: 1.9 pounds
### Use
- Recommended uses: Driving, Sitting
- Target body part: Buttocks

## Before you buy

- The listing gives the full height as 5.9 inches and says removing the lower layer reduces height to approximately 4 inches. It also describes the cushion as 4.7–5.9 inches in the title, so the lower-height description is not fully consistent. Check the selected listing and your chair's available seat height before purchase. The listing says it is best suited to firm, relatively flat seats and may feel bulky on small chairs, confined car seats, or deep, soft seating.

## A good fit for

- People seeking an adjustable-height cushion for a firm, relatively flat office or home chair.
- Buyers who want a removable cover and a shaped seat with space around the tailbone.

## Less suited to

- People who need a low-profile cushion or have limited clearance beneath a desk or chair.
- Those shopping for a compact cushion for a confined car seat or deep, soft seating.

## Customer feedback

Customer feedback reports that the cushion works well in office chairs and that some customers appreciate its softness. Comfort and quality feedback is mixed, including reports of both comfortable and painful experiences. That matters for a thick cushion with a shaped cutout, since fit and feel may vary by chair and person. Overall ratings lean positive, but the reported concerns mean they should not be treated as a guarantee of comfort.
- Positive themes: Customers report that it works well in office chairs.
- Positive themes: Some customers appreciate its softness.
- Mixed feedback: Comfort feedback ranges from comfortable to painful.
- Mixed feedback: Quality feedback is mixed.

## Frequently asked questions

### How tall is the cushion?
The listing states 5.9 inches at full height and approximately 4 inches when the lower layer is removed. The title also gives a 4.7–5.9-inch range, so confirm the selected listing's sizing details.
### Can the cushion fit in a car?
Driving is listed as a recommended use, but the listing cautions that the cushion may be too bulky for confined car seats. Check the seat dimensions and available height first.
### Can the cover be washed?
The listing describes the cover as removable and machine-washable.
### What kind of seat is it intended for?
The listing says it is best suited to firm, relatively flat seats and may feel bulky on small chairs or deep, soft seating.

## Alternative options

- [ZIKEE 6" Thickened Donut Pillow Seat Cushion, Ergonomic Hemorrhoid Pillow with Widened Cutout for Tailbone,Sciatica Pain Relief & Postpartum, Memory Foam Office Chair Cushion for Long Sitting at Home](https://best-deals.pro/visit/niceeday-adjustable-memory-foam-coccyx-seat-cushion)
- [Janemiri Seat Cushion, Seat Cushion for Sit Bone and Back Pain Relief, Butt, Tailbone, Hip, Hamstring, Posture Support - Memory Foam Comfort Ischial Tuberosity Pillow \(Gray\)](https://best-deals.pro/visit/niceeday-adjustable-memory-foam-coccyx-seat-cushion)
- [CushyOasis Seat Cushion, Gel Memory Foam Office Chair Cushions, Black \| Anti-Slip Back & Removable Cover, Ergonomic Tailbone Support Seat Cushion, Memory Foam Seat Cushion for Office](https://best-deals.pro/visit/niceeday-adjustable-memory-foam-coccyx-seat-cushion)
- [Seat Cushion for Tailbone & Sciatica Pain Relief \| Certified & Ergonomist-Designed,Tapered Front Edge Reduces Thigh Pressure,Wide Memory Foam for Office Chair, Car, Wheelchair](https://best-deals.pro/visit/niceeday-adjustable-memory-foam-coccyx-seat-cushion)
- [ZZ-WELL Seat Cushion for Office Chairs, Black, XX-Large \| Coccyx Cushion for Tailbone Pain, Memory Foam Patented Pressure Relief Computer Gaming Chair Cushions](https://best-deals.pro/visit/niceeday-adjustable-memory-foam-coccyx-seat-cushion)
- [Benazcap Memory Foam Seat Cushion, Ergonomic Office Chair Cushion \| Memory foam cushion relieves pressure and supports tailbone comfort for office chairs, cars, wheelchairs and home use.](https://best-deals.pro/visit/niceeday-adjustable-memory-foam-coccyx-seat-cushion)
- [Amazon Basics Comfortable Seat Cushion for Office Chairs, Enhanced Memory Foam with Cooling Gel, Non-Slip, Long Sitting Support, Black](https://best-deals.pro/visit/niceeday-adjustable-memory-foam-coccyx-seat-cushion)
- [Gel Lumbar Support Pillow for Office Chair Car Gaming Chair Lower Back Pain Relief ...](https://best-deals.pro/visit/niceeday-adjustable-memory-foam-coccyx-seat-cushion)
- [Everlasting Comfort Doctor Recommended Memory Foam Seat Cushion for Office Chairs & Car - Ergonomic Office Desk Accessories - Cushions for Tailbone Pain Relief, Sciatica \(Black, Large\)](https://best-deals.pro/visit/everlasting-comfort-large-memory-foam-seat-cushion)
- [Seat Cushion for Tailbone Pain Relief‑Memory Foam Coccyx Pad for Sciatica \| Lower B...](https://best-deals.pro/visit/zfuhwt-memory-foam-coccyx-seat-cushion)
- [Extra Large Office Seat Cushion for Tailbone Pain Relief \| Ergonomic Office Chair C...](https://best-deals.pro/visit/niceeday-adjustable-memory-foam-coccyx-seat-cushion)
- [Seat Cushion, Memory Foam Office Chair Cushion - Grey, Large \| for Car Seat, Airpla...](https://best-deals.pro/visit/niceeday-adjustable-memory-foam-coccyx-seat-cushion)

## Add-ons

- [Niceeday Lumbar Support Pillow for Office Chair Car Back Support Pillow, Memory Foam Gaming Chair Desk Chair Back Cushion for Lower Back Pain Relief, Ergonomic Back Rest,Office Home Essentials](https://best-deals.pro/visit/niceeday-adjustable-memory-foam-coccyx-seat-cushion)

## Images

![Niceeday Adjustable Memory Foam Coccyx Seat Cushion, 5.9-Inch Maximum Height — 1](https://best-deals.pro/i/9bboqPcFgaDFg76PXs9lx4igkmQHwqLkboquqLWoW8fsp9d7v_wmfPOv6QxEfZJh9suE6OgDyrO4Hhc4R27FWfzrjoTee5qMHsmYqJBjvfIydnM-NFeoYYf9.jpg)

![Niceeday Adjustable Memory Foam Coccyx Seat Cushion, 5.9-Inch Maximum Height — 2](https://best-deals.pro/i/BwhTeLEnOJ9hQqCRqKukPo96srH2QC4WAnKZJtN_rtPlpKXHz1YctNWyEvOF8v_yThz-YL9wnH0uThP7tNSpICFl_QaxmI4BfDqyiu9pFIlADgYpX3Rn3UG-.jpg)

![Niceeday Adjustable Memory Foam Coccyx Seat Cushion, 5.9-Inch Maximum Height — 3](https://best-deals.pro/i/j5hKQjtS-4pEjs6Oazc1H1keSDhJD7I8zVl7hN3bRny24ko1Gzpg62G0tzNJKIJWSpc-EhOJLbPeMPhrepIXgJU4NbHVQGtdXJ619XVgPson3mNcQioHNA38.jpg)

![Niceeday Adjustable Memory Foam Coccyx Seat Cushion, 5.9-Inch Maximum Height — 4](https://best-deals.pro/i/2I-l2esHiDNze61oUgMsXXkOVkq-HLtdggbscuQFpveHkVM6OD5jHZdmiecVp7Iyeh9dtinlRd1gdiZRTfdj5WdH4Ro7oiOSPIKDy4irQHkJ1PHbyWwxO3xU.jpg)

![Niceeday Adjustable Memory Foam Coccyx Seat Cushion, 5.9-Inch Maximum Height — 5](https://best-deals.pro/i/i-rEwxXCxzOk-LDMzfnWTOgs_-iYcvOm5GpeA5RSc9C5tCEPge0oXXi9QAjCf3Bd19mlaglUUCWDvScyTASJXqau2JObajdDPlKMWNQ_kJpk2WgL2_j2x0DQ.jpg)

![Niceeday Adjustable Memory Foam Coccyx Seat Cushion, 5.9-Inch Maximum Height — 6](https://best-deals.pro/i/lzmqrnAu_w_OA4MdCmF6wsJbUJcPD1NYju8qxT_pjLepkxkCrePXYDGm5KMtVpDeFDfqtoEJiSjwLpEfTa8_lFtAZcobgh15t38QOnS9GdH-iZGKDvk52Zem.jpg)

![Niceeday Adjustable Memory Foam Coccyx Seat Cushion, 5.9-Inch Maximum Height — 7](https://best-deals.pro/i/9oWpR5pcxHT_75krh2Sf7hexVWWAcZMUg2OzHZOlUU7Pb0sMXR0gAPCgYvyTXj_OgXWJQmqhogvoPBciN21FZ3IC-E7u0GTphtczQA-YPqScUqY5M3tWMQqJ.jpg)