---
product_id: 647324131
title: "Ergonomic Office Seat Cushion, Long Sitting Tailbone Support Cushion, Suit for Office, Study, and Other Sedentary People, Relieves Spinal and Sciatica Stress, Chair Cushion, 110 - 220 LB.(Black)"
brand: "fjdesklu"
price: "¥16612"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/647324131-ergonomic-office-seat-cushion-long-sitting-tailbone-support-cushion-suit
store_origin: JP
region: Japan
---

# Ergonomic Office Seat Cushion, Long Sitting Tailbone Support Cushion, Suit for Office, Study, and Other Sedentary People, Relieves Spinal and Sciatica Stress, Chair Cushion, 110 - 220 LB.(Black)

**Brand:** fjdesklu
**Price:** ¥16612
**Availability:** ✅ In Stock

## Quick Answers

- **What is this?** Ergonomic Office Seat Cushion, Long Sitting Tailbone Support Cushion, Suit for Office, Study, and Other Sedentary People, Relieves Spinal and Sciatica Stress, Chair Cushion, 110 - 220 LB.(Black) by fjdesklu
- **How much does it cost?** ¥16612 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/647324131-ergonomic-office-seat-cushion-long-sitting-tailbone-support-cushion-suit)

## Best For

- fjdesklu enthusiasts

## Why This Product

- Trusted fjdesklu brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Description

Full description not available

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Fjdesklu |
| Special Feature | Portable, Lightweight, Comfortable |
| Color | Black |
| Fill Material | Polyester |
| Shape | Semicircular |
| Age Range (Description) | Adult，Teens |
| Recommended Uses For Product | Sitting |
| Use for | Buttocks |
| Material | Polyphene |
| Item Firmness Description | Medium Soft |
| Product Dimensions | 14.2"L x 11.8"W x 4.9"H |
| Number of Pieces | 1 |
| Item Weight | 4.8 ounces |
| Fabric Type | Polyester |
| Manufacturer | Fjdesklu |
| Product Dimensions | 14.2"L x 11.8"W |
| Unit Count | 1.0 Count |
| Item model number | DH-SC |
| Material Type | Polyphene |
| Number of Items | 1 |
| Manufacturer Part Number | DH-SC-Black |

## Product Details

- **Brand:** Fjdesklu
- **Number of Pieces:** 1
- **Pattern:** Solid
- **Unit Count:** 1.0 Count

## Images

![Ergonomic Office Seat Cushion, Long Sitting Tailbone Support Cushion, Suit for Office, Study, and Other Sedentary People, Relieves Spinal and Sciatica Stress, Chair Cushion, 110 - 220 LB.(Black) - Image 1](https://m.media-amazon.com/images/I/81xFWysYTHL.jpg)
![Ergonomic Office Seat Cushion, Long Sitting Tailbone Support Cushion, Suit for Office, Study, and Other Sedentary People, Relieves Spinal and Sciatica Stress, Chair Cushion, 110 - 220 LB.(Black) - Image 2](https://m.media-amazon.com/images/I/81giV10ShUL.jpg)
![Ergonomic Office Seat Cushion, Long Sitting Tailbone Support Cushion, Suit for Office, Study, and Other Sedentary People, Relieves Spinal and Sciatica Stress, Chair Cushion, 110 - 220 LB.(Black) - Image 3](https://m.media-amazon.com/images/I/714UpV6rcpL.jpg)
![Ergonomic Office Seat Cushion, Long Sitting Tailbone Support Cushion, Suit for Office, Study, and Other Sedentary People, Relieves Spinal and Sciatica Stress, Chair Cushion, 110 - 220 LB.(Black) - Image 4](https://m.media-amazon.com/images/I/71ed99v6CxL.jpg)
![Ergonomic Office Seat Cushion, Long Sitting Tailbone Support Cushion, Suit for Office, Study, and Other Sedentary People, Relieves Spinal and Sciatica Stress, Chair Cushion, 110 - 220 LB.(Black) - Image 5](https://m.media-amazon.com/images/I/71OCE351O1L.jpg)

---

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**Shop now:** [https://www.desertcart.jp/products/647324131-ergonomic-office-seat-cushion-long-sitting-tailbone-support-cushion-suit](https://www.desertcart.jp/products/647324131-ergonomic-office-seat-cushion-long-sitting-tailbone-support-cushion-suit)

---

*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-03-06*