---
product_id: 399876015
title: "curble Grand 2 Pack– Extra Wide Ergonomic Seat Support, Sit Straighter Without Effort, Passive Posture Trainer for Office, Home & Car (Black)"
brand: "curble"
price: "NT$17946"
currency: TWD
in_stock: true
category: "Curble"
url: https://www.desertcart.tw/products/399876015-curble-grand-2-pack-extra-wide-ergonomic-seat-support-sit
store_origin: TW
region: Taiwan
---

# Portable for office, home & car Supports up to 1,190 lbs load Extra wide ergonomic design curble Grand 2 Pack– Extra Wide Ergonomic Seat Support, Sit Straighter Without Effort, Passive Posture Trainer for Office, Home & Car (Black)

**Brand:** curble
**Price:** NT$17946
**Availability:** ✅ In Stock

## Summary

> 🪑 Elevate your sit game—posture perfected, effortlessly.

## Quick Answers

- **What is this?** curble Grand 2 Pack– Extra Wide Ergonomic Seat Support, Sit Straighter Without Effort, Passive Posture Trainer for Office, Home & Car (Black) by curble
- **How much does it cost?** NT$17946 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.tw](https://www.desertcart.tw/products/399876015-curble-grand-2-pack-extra-wide-ergonomic-seat-support-sit)

## Best For

- curble enthusiasts

## Why This Product

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

## Key Features

- • **Build Healthy Habits:** Use consistently to passively train your posture without thinking about it.
- • **Gentle, Not Forceful:** Encourages natural posture without uncomfortable braces or pressure.
- • **Durable & Firm Support:** Engineered to handle up to 1,190 lbs, providing reliable spine support all day.
- • **Sit Straighter Instantly:** No straps or adjustments—just sit and feel natural posture alignment.
- • **Anywhere, Anytime Comfort:** Lightweight and portable—transform any seat into an ergonomic haven.

## Overview

The Curble Grand 2 Pack offers extra-wide, ergonomic seat support designed to improve posture passively without straps or adjustments. Made with durable, firm PU foam tested for safety and free from harmful substances, it supports up to 1,190 lbs. Lightweight and portable, it’s perfect for office chairs, cars, or home use, helping you build better sitting habits naturally and comfortably.

## Description

Buy curble Grand 2 Pack– Extra Wide Ergonomic Seat Support, Sit Straighter Without Effort, Passive Posture Trainer for Office, Home & Car (Black): Back & Seat Cushions - desertcart.com ✓ FREE DELIVERY possible on eligible purchases

## Features

- Polyester
- SIT BETTER INSTANTLY — NO STRAPS, NO ADJUSTMENTS: Just sit down and feel your body naturally guided into a more upright position. Unlike bulky cushions that require constant readjustment, the Curble Grand works passively to support your spine the moment you sit.
- DESIGNED TO SUPPORT, NOT FORCE: Unlike rigid posture braces that aggressively push your back, Curble encourages gentle, natural alignment. Proudly Made in Korea, it has passed rigorous KOTITI and SGS safety tests, ensuring it is completely free of VOCs in the PU foam and harmful substances in the fabric.
- BALANCED FIRMNESS & EXTREME DURABILITY: Engineered to provide structural support, it boasts a maximum compressive load of 1,190 lbs (540 kg). (Note: Bouncing or forcefully pushing back may exceed this limit). It may take a few days for your body to adapt. Start with short 30-minute sessions
- WORKS ANYWHERE YOU SIT: Lightweight and highly portable, it transforms any seat into an ergonomic workstation. Perfect for office chairs, couches, car seats, gaming chairs, or even sitting directly on the floor.
- A MICRO-HABIT BUILDER: Use it consistently at the office, home, or in your car so you never break your healthy sitting habits. Consistency is key to building better posture without even thinking about it.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B09HXL21J3 |
| Age Range Description | Adult |
| Best Sellers Rank | #22,033 in Office Products ( See Top 100 in Office Products ) #134 in Back Cushions & Seat Cushions |
| Brand Name | curble |
| Coin Variety 1 | Lumbar Support |
| Color | 2 Pack Black |
| Customer Reviews | 3.9 3.9 out of 5 stars (64) |
| Fabric Type | Polyester |
| Fill Material | Foam |
| Included Components | 2 Curble Chair Adult |
| Item Firmness Description | Firm |
| Item Type Name | Back Support, Lumbar Support |
| Item Weight | 2.3 Pounds |
| Manufacturer | ablue Co., Ltd. |
| Manufacturer Part Number | CCGB2 |
| Material Type | Polyamide 6 resin |
| Material Type Free | Lead Free, PBDE Free |
| Model Name | Curble Chair_Grand_PL_Black_2P |
| Model Number | CCGB2 |
| Number of Pieces | 2 |
| Pattern | Solid |
| Product Care Instructions | Hand Wash Only |
| Recommended Uses For Product | Reading, Sitting, Studying |
| Shape | L-shape |
| Size | W16.5 x D12.7 x H13.6 inch |
| Special Features | Ergonomic, Lightweight, Portable |
| Specific Uses For Product | Posture Correction |
| Target Use Body Part | Back |
| Unit Count | 1.0 Count |

## Product Details

- **Brand:** curble
- **Color:** 2 Pack Black
- **Fill Material:** Foam
- **Size:** W16.5 x D12.7 x H13.6 inch
- **Special Feature:** Ergonomic, Lightweight, Portable

## Images

![curble Grand 2 Pack– Extra Wide Ergonomic Seat Support, Sit Straighter Without Effort, Passive Posture Trainer for Office, Home & Car (Black) - Image 1](https://m.media-amazon.com/images/I/61bANzMpuzL.jpg)

## Available Options

This product comes in different **Color** options.

## Frequently Bought Together

- curble Grand (Extra Wide&Sturdy) 2PACK – Ergonomic Chair Back Support, Lumbar Support for Good Posture Correction and Back Pain Relief, Perfect for Office Chair and Work from Home, Patented(2P Black)
- QUTOOL Lumbar Support Pillow for Office Chair,Office Home Essentials,Back Support Pillow for Car, Chair Cushions,Back Pain Relief Improve Posture,Mesh Cover Double Adjustable Straps
- Cushion Lab Patented Pressure Relief Seat Cushion for Long Sitting Hours on Office & Home Chair - Extra-Dense Memory Foam for Soft Support. Car Pad for Hip, Tailbone, Coccyx, Sciatica - Black

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**Shop now:** [https://www.desertcart.tw/products/399876015-curble-grand-2-pack-extra-wide-ergonomic-seat-support-sit](https://www.desertcart.tw/products/399876015-curble-grand-2-pack-extra-wide-ergonomic-seat-support-sit)

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*Product available on Desertcart Taiwan*
*Store origin: TW*
*Last updated: 2026-07-23*