# SAIREIDER SC-G0402 Memory Foam Seat Cushion with U-Shaped Coccyx Cutout

Memory foam with a U-shaped coccyx cutout adds contoured cushioning for office chairs, car seats, and other everyday seating.

- [Original product page](https://www.ofertitastop.com/us/product/saireider-sc-g0402-memory-foam-seat)
- [View offer](https://www.ofertitastop.com/us/visit/saireider-sc-g0402-memory-foam-seat)
- Market: US
- Language: en-US
- Currency: USD
- Product updated: 2026-10-23T02:14:39.321Z
- Brand: SAIREIDER
- Model: SC-G0402
- EAN / GTIN: 767912424903
- SKU: ofertitastop-us-135532
- Category: Furniture > Chair Accessories > Hanging Chair Replacement Parts
- Source store: amazon US
- Active deal: Yes
- Price: 15.29 USD
- Previous price: 17.99 USD
- Discount: 15%
- Rating: 4.4 / 5
- Reviews: 2749

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

## Description

If long hours at a desk or behind the wheel call for added seat cushioning, the SAIREIDER SC-G0402 is designed to support a more comfortable sitting setup. Its memory foam padding and U-shaped cutout help reduce pressure around the tailbone. A removable cover and lightweight, portable design make it easy to move between seats.

## What stands out
The contoured seat cushion uses memory foam with a U-shaped opening that leaves the coccyx suspended above the seat surface. This design is intended to ease pressure around the tailbone, back, and legs while sitting, and to support a more upright sitting posture. The soft, supportive foam adds cushioning to a firm office chair, car seat, or other suitable seat without changing the chair itself.

A non-slip bottom helps the cushion stay in place during use, while a side handle makes it simpler to carry from a desk to a car. The cover is removable, with a hidden zipper designed to keep the closure discreet. Compared with a flat seat pad, the shaped opening is a practical distinction for shoppers seeking targeted tailbone support rather than cushioning alone.

## Key takeaways
This cushion measures 14" L x 14" W and is made with memory foam. Its rectangular shape and gray color suit a range of everyday settings, including an office chair, car seat, home chair, airplane seat, or wheelchair. The product is intended for adults and comes as a single cushion.

For a typical workday, place it on your chair to add padding and position the U-shaped cutout beneath the tailbone area. When you change locations, use the side handle to carry it along. The same portable design makes it useful for driving, where the cushion adds a contoured layer between you and the seat.

Customer feedback often highlights support and use in car seats. Opinions vary on firmness, thickness, and fit, so the feel and seating position may differ from one person to another. These comments can help set expectations, while the cushion’s dimensions and U-shaped design are the clearest points to consider for your own seat and sitting needs.

## How to take care of it
The cushion has a removable cover and machine-wash care instructions. Remove the cover for cleaning and follow the product’s care guidance. The side handle also makes it convenient to lift and relocate when switching between chairs or taking it along for a drive.

## Questions before you buy
**Can I use this cushion in a car?** Yes. Car seats are among its recommended uses, and its portable design makes it easy to move between a vehicle and an office or home chair.

**What are its dimensions?** The cushion measures 14" L x 14" W. Check these measurements against your seat to help determine how it will sit on the surface.

**What is it made of?** It is filled with memory foam and has a removable cover. The foam and coccyx cutout provide the cushion’s contoured seating design.

## Buying verdict
The SAIREIDER SC-G0402 is a focused choice for adults who want memory foam cushioning with a tailbone-relieving cutout for desk work, driving, or other seated routines. Its portable handle, non-slip bottom, removable cover, and compact 14" x 14" footprint add practical flexibility across everyday seating locations.

## Images

![SAIREIDER SC-G0402 Memory Foam Seat Cushion with U-Shaped Coccyx Cutout — 1](https://www.ofertitastop.com/i/DRF7V3qV_xHulrGnZdzWcHChw-uBEvH0qxSs5oMGvNBRKX4T5hEjKxHcQ3BpzO3gWkjhGRSTC9CjxvMmCX-Q0Xbv6w0wUPgcyNqVFlrGdXzIIj-qWK9ezx7iDQ.jpg)

![SAIREIDER SC-G0402 Memory Foam Seat Cushion with U-Shaped Coccyx Cutout — 2](https://www.ofertitastop.com/i/SO0AnyK6Up76MyoCEi-Gpwgw4YvYVqAHUaldzpHTJHmBvN8I89xIrfPC1jpbqC53V4hKulbJGSMYz9mH5FtCycc15VO4wB5Ns8wBHCK6XNZWMt1rwb7k0XZvrA.jpg)

![SAIREIDER SC-G0402 Memory Foam Seat Cushion with U-Shaped Coccyx Cutout — 3](https://www.ofertitastop.com/i/gucmpIb74xWwdWNSxJML-u-EXJUNjc4A1wX3PoyF0Ct3bSiy6lyytyJQmviHVvjq7XaTFx8FQeyHnes-ZXbiTV0-FKEYlZskbVmzbyMMOBCI53szKWVqmElExg.jpg)

![SAIREIDER SC-G0402 Memory Foam Seat Cushion with U-Shaped Coccyx Cutout — 4](https://www.ofertitastop.com/i/i9d2ap7JAR9-EiGBQsVyD1jOiWTy5yqJA_ZsBWJ14Shy3ZtwIuNcnZEWfQgHd0136jGWv-e3yxoyqrjPmfCmQbfB_i80DAStUB5LPoyz7dGOjVjsZf4gOiCFYQ.jpg)

![SAIREIDER SC-G0402 Memory Foam Seat Cushion with U-Shaped Coccyx Cutout — 5](https://www.ofertitastop.com/i/f1lDFolsyD80mb72U_V9mHQt2kjaf9SNYqWoYLxuPqlgkQZMqGCAlec6ouyFIhW5lLGRWYjI37afOBwZMO0U_hLLPuvZFA2Cb7MJdmD5FLq3LeNhO-FWk7p0KQ.jpg)