# SAIREIDER SC-N0402 SRD Seat Cushion, Navy Blue Memory Foam Coccyx Pad

An 18" by 14" memory foam cushion with a U-shaped coccyx cutout for added cushioning at your desk, in the car, or at home.

- [Original product page](https://www.ofertitastop.com/us/product/saireider-sc-n0402-srd-seat-cushion)
- [View offer](https://www.ofertitastop.com/us/visit/saireider-sc-n0402-srd-seat-cushion)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-19T22:49:23.117Z
- Brand: SAIREIDER
- Model: SC-N0402
- EAN / GTIN: 767912424910
- SKU: ofertitastop-us-142878
- Category: Furniture > Chair Accessories > Hanging Chair Replacement Parts
- Source store: amazon US
- Active deal: No
- Rating: 4.4 / 5
- Reviews: 2748

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

## Description

A contoured memory foam seat cushion helps reduce pressure on the tailbone during long periods of sitting. Its U-shaped cutout keeps the coccyx suspended above the seat surface, while the rectangular design suits office chairs, car seats, and other seating. A removable cover and built-in side handle make it easier to care for and carry. The navy blue cushion measures 18" by 14".

## Highlights
The memory foam cushioning is designed to feel soft and supportive, giving you a more cushioned place to sit at a desk or behind the wheel. The U-shaped opening creates space beneath the tailbone, and the ergonomic shape is intended to support a more comfortable sitting posture. A non-slip bottom helps keep the cushion in place on a seat, while the side handle makes it practical to move between locations.

Use it on an office chair for a workday at your desk, or bring it along for car trips when you want added cushioning on the seat. It is also suitable for home chairs, airplane seats, and wheelchairs. Unlike a flat seat pad, this design combines memory foam with a coccyx cutout to provide cushioning while leaving space beneath the tailbone. Customers often praise its support and use in car seats. Feedback on firmness and fit is mixed, so personal preferences and seat dimensions can affect how it feels in use.

## How to take care of it
The cover is removable and machine washable. Take it off the cushion before washing, then allow it to dry before putting it back in place. The extended hidden zipper makes the cover easier to remove and helps keep the zipper away from the chair surface during use. The side handle also makes it convenient to carry when moving between a car and an office or home seat.

## How to use it
Place the cushion on the seat with the U-shaped cutout positioned beneath your tailbone. Sit centered so the cutout remains aligned as you settle in. The non-slip base helps keep the pad in position, and its portable design makes it easy to transfer between chairs. For a practical fit check, compare the cushion’s 18" by 14" footprint with the usable seating area of your chair or car seat before placing it.

## Before you decide
What is the cushion made of? It is filled with memory foam, with a soft, supportive feel intended for seated use.

Can you wash the cushion? The removable cover is machine washable. Remove the cover for washing rather than putting the full cushion in the machine.

Where can you use it? It is designed for office chairs and car seats, and can also be used on home chairs, airplane seats, and wheelchairs.

## When it makes sense
It makes sense if you want a portable, memory foam seat cushion with a coccyx cutout for desk work, driving, or other stretches of sitting. Its removable washable cover, non-slip bottom, and carry handle suit people who want to move one cushion between seats and keep it convenient for regular use.

## Images

![SAIREIDER SC-N0402 SRD Seat Cushion, Navy Blue Memory Foam Coccyx Pad — 1](https://www.ofertitastop.com/i/zhBZzuMyxO5p3Z_7tHqE-yQOtXucN-8WOIAezZVSVj7ig20G-qjE-ros0JWMmQHw9hPUesNnrVh-veCoLHsK4PymVWZE_ln_X6UE9TeFnkkcFxreLa9HIJIkNw.jpg)

![SAIREIDER SC-N0402 SRD Seat Cushion, Navy Blue Memory Foam Coccyx Pad — 2](https://www.ofertitastop.com/i/tYTha_IaHl-s2Cw4x35O4NvT39zOZrRJeyeDIIVFIgb58LdCE6aenv909m-KDeo0PbsuIT_UT76U3zyy_NVZ73HJIUC0uiXhI5i0Uy1lePi0UPSyc57R7Zr0XA.jpg)

![SAIREIDER SC-N0402 SRD Seat Cushion, Navy Blue Memory Foam Coccyx Pad — 3](https://www.ofertitastop.com/i/Y9xWzzauRrYQut9j8Hzx9rNAJNmrVaGPj_SRqLk2Wv1wB45m-jCjcKeh-zhsEq3QVGklu0lX6s1V_CRPHz8618SZ6KXbuFQ-3CUaqwuMCEys2slnHWIdfGohHw.jpg)

![SAIREIDER SC-N0402 SRD Seat Cushion, Navy Blue Memory Foam Coccyx Pad — 4](https://www.ofertitastop.com/i/7DnefLVqXLY9bw5mDVlvjn3nK3zjioX86nlGrC2rhwI8hf3xzE2SvZTZyHRZA7jmkXip-kiLznYORiVZ0dXk01CdNBDDH7cqUucXktQMOGiUBCiNydicngLEoQ.jpg)

![SAIREIDER SC-N0402 SRD Seat Cushion, Navy Blue Memory Foam Coccyx Pad — 5](https://www.ofertitastop.com/i/lZWg1US5_rLm3olXhA9kVi-M4E-Nvgg4k2fxRlsApdkHclaJaWl_gRwXl1sPfukR2IVq30fOlMoSivo-eg5Xe25OM7tND15G_2Ty-MmY94tnvHrqH6HW9HEzQQ.jpg)