---
product_id: 561302672
title: "24/7 400 lb. High Back Black Tufted Fabric Ergonomic Office Chair, Lumbar Knob"
brand: "bizchair"
price: "1251792CFA"
currency: XOF
in_stock: true
url: https://www.desertcart.sn/products/561302672-24-7-400-lb-high-back-black-tufted-fabric-ergonomic
store_origin: SN
region: Senegal
---

# 400 lb. weight capacity Adjustable lumbar support knob 4-inch thick padded seat 24/7 400 lb. High Back Black Tufted Fabric Ergonomic Office Chair, Lumbar Knob

**Brand:** bizchair
**Price:** 1251792CFA
**Availability:** ✅ In Stock

## Summary

> 🖥️ Work hard, sit smart — the chair that never clocks out!

## Quick Answers

- **What is this?** 24/7 400 lb. High Back Black Tufted Fabric Ergonomic Office Chair, Lumbar Knob by bizchair
- **How much does it cost?** 1251792CFA with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.sn](https://www.desertcart.sn/products/561302672-24-7-400-lb-high-back-black-tufted-fabric-ergonomic)

## Best For

- bizchair enthusiasts

## Why This Product

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

## Key Features

- • **Customizable Fit:** Adjustable armrests and lumbar knob let you dial in your perfect posture
- • **Tailored Comfort:** Ergonomic high back with contoured design and headrest for all-day support
- • **Big & Tall Friendly:** Generous 400 lb. capacity and spacious seat dimensions for executive comfort
- • **Fire-Safe & Stylish:** Black tufted fabric with CAL 117 fire retardant foam blends safety with sophistication
- • **Built for the Long Haul:** 24/7 ANSI/BIFMA certified durability for nonstop productivity

## Overview

This 24/7 high back ergonomic office chair supports up to 400 lbs with ANSI/BIFMA certification, featuring a thickly padded seat, adjustable lumbar support, and fire-retardant black tufted fabric—designed for Big & Tall professionals who demand comfort and durability during extended work hours.

## Description

This Big & Tall Executive Office Chair is an ideal chair for larger and taller professionals who spend long hours sitting behind a desk. An extended upper back with integrated headrest and lumbar knob reinforces healthy posture. The 24" wide swivel seat is double padded with 4" of foam. Raise or lower the seat using the pneumatic height adjustment lever for a custom fit. Generously padded loop arms reduce pressure on the shoulders and neck providing additional comfort. Turn the tilt tension adjustment knob to increase or decrease the amount of force needed to rock or recline and lock the seat in place with the tilt lock mechanism. This sturdy chair has a heavy duty chrome base, smooth rolling dual wheel casters and a 400 pound weight capacity. Whether you're buying chairs for a 911 dispatch office, call center, or control room, this 24/7 intensive use office chair is the right chair for the job.

## Features

- Whether your workday doesn't stop at 5 or the person working the next 8 hours just sat down, you need a chair that can keep up. This 24/7 intensive use Big & Tall executive office chair with generous padding and adjustable features will easily handle it.
- [_Our chair conforms to ANSI/BIFMA standard X5.1-17_] High back design with headrest and black fabric upholstery with CAL 117 fire retardant foam, 4" thick foam padded seat
- Contoured back and seat with pressurized lumbar support knob
- Executive style Big & Tall office chair designed for extensive use
- PRODUCT MEASUREMENTS: Overall Size: 30"W x 34"D x 44-48"H; Seat Size: 24"W x 22"D x 20-24"H; Back Size: 23"W x 25"H; Arm Size: 26.75-34"H from floor; 5-8"H from seat

## Product Details

- **Brand:** BizChair
- **Product Dimensions:** 34"D x 30"W x 48"H
- **Back Style:** Solid Back
- **Special Feature:** Adjustable
- **Unit Count:** 1.00 Count

## Images

![24/7 400 lb. High Back Black Tufted Fabric Ergonomic Office Chair, Lumbar Knob - Image 1](https://m.media-amazon.com/images/I/91K8aa2tctL.jpg)
![24/7 400 lb. High Back Black Tufted Fabric Ergonomic Office Chair, Lumbar Knob - Image 2](https://m.media-amazon.com/images/I/819GTOD-7IL.jpg)
![24/7 400 lb. High Back Black Tufted Fabric Ergonomic Office Chair, Lumbar Knob - Image 3](https://m.media-amazon.com/images/I/81SezJKZGSL.jpg)
![24/7 400 lb. High Back Black Tufted Fabric Ergonomic Office Chair, Lumbar Knob - Image 4](https://m.media-amazon.com/images/I/91lySf9H5YL.jpg)
![24/7 400 lb. High Back Black Tufted Fabric Ergonomic Office Chair, Lumbar Knob - Image 5](https://m.media-amazon.com/images/I/91HhnycgStL.jpg)

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**Shop now:** [https://www.desertcart.sn/products/561302672-24-7-400-lb-high-back-black-tufted-fabric-ergonomic](https://www.desertcart.sn/products/561302672-24-7-400-lb-high-back-black-tufted-fabric-ergonomic)

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*Product available on Desertcart Senegal*
*Store origin: SN*
*Last updated: 2026-03-08*