---
product_id: 510079670
title: "Office Chair Ergonomic Desk Chair-400lbs Big and Tall Heavy Duty, Wide & Soft 3D Modeling Foam Cushion Home Office Desk Chair with Adjustable Seat Height, Executive Computer Task Chair"
brand: "luckyear"
price: "27660331₫"
currency: VND
in_stock: true
url: https://www.desertcart.vn/products/510079670-office-chair-ergonomic-desk-chair-400lbs-big-and-tall-heavy
store_origin: VN
region: Vietnam
---

# 400 lbs heavy-duty support 21-inch wide 3D molded foam cushion Breathable mesh back for airflow Office Chair Ergonomic Desk Chair-400lbs Big and Tall Heavy Duty, Wide & Soft 3D Modeling Foam Cushion Home Office Desk Chair with Adjustable Seat Height, Executive Computer Task Chair

**Brand:** luckyear
**Price:** 27660331₫
**Availability:** ✅ In Stock

## Summary

> 🖥️ Elevate your workspace comfort — because your hustle deserves the best seat in the house!

## Quick Answers

- **What is this?** Office Chair Ergonomic Desk Chair-400lbs Big and Tall Heavy Duty, Wide & Soft 3D Modeling Foam Cushion Home Office Desk Chair with Adjustable Seat Height, Executive Computer Task Chair by luckyear
- **How much does it cost?** 27660331₫ with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.vn](https://www.desertcart.vn/products/510079670-office-chair-ergonomic-desk-chair-400lbs-big-and-tall-heavy)

## Best For

- luckyear enthusiasts

## Why This Product

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

## Key Features

- • **Effortless Custom Fit:** Adjustable seat height and lumbar support tailor your posture for peak productivity and ergonomic health.
- • **Stay Cool, Stay Focused:** Premium breathable PE polyester mesh back promotes airflow, preventing heat build-up during long work sessions.
- • **Cloud-Like Seating Experience:** Wide 21-inch, 5.2-inch thick 3D molded foam cushion engineered for all-day hip support and comfort.
- • **Swift Setup, Reliable Support:** Easy 15-20 minute assembly with all hardware included, backed by responsive 24-hour customer service.
- • **Built to Endure, Designed to Comfort:** Supports up to 400 lbs with a BIFMA-certified heavy-duty base for unmatched durability.

## Overview

The Luckyear Office Chair combines heavy-duty construction supporting up to 400 lbs with a wide, ergonomically molded 3D foam cushion and breathable mesh back. Designed for professionals who demand comfort and durability, it features adjustable height and lumbar support, a BIFMA-certified base, and quick assembly. Perfect for home offices, gaming, or extended desk work, this chair keeps you cool and supported throughout your busiest days.

## Description

Office Chair Ergonomic Desk Chair-400lbs Big and Tall Heavy Duty, Wide & Soft 3D Modeling Foam Cushion Home Office Desk Chair with Adjustable Seat Height, Executive Computer Task Chair

## Features

- 400LBS Heavy Duty Office Chair & Easy to Install -The office chair, featuring a heavy-duty and durable base, can support up to 400 pounds for adults. It comes with a comfortable ergonomic design, all necessary hardware, and tools for assembly. Most people can complete the installation within 15 to 20 minutes by following our assembly video or instructions
- Molded Sponge Cushion Office Chair-This office chair features a 21.06-inch wide and 5.2-inch thick sponge cushion that is both widened and molded for added comfort. It provides protection and support for our hips, ensuring hip health even during extended periods of work. The chair also has a breathable mesh back that promotes good air circulation, keeping you cool even when sitting for long periods.
- Breathable Mesh Back-The back of the office chair is crafted from a breathable PE polyester elastic mesh, designed to maintain your comfort and coolness. This premium mesh is resistant to wear and deformation, ensuring optimal airflow and keeping you cool even during prolonged periods of sitting.
- Extra Comfy and Solid Desk Chair-A high-resilience molded sponge cushion and a skin-friendly ventilated mesh backrest cover bring a soft and comfortable sitting experience. The ergonomic office chair, whose base has passed BIFMA certification, features a 4-level SGS-certified gas cylinder, ensuring excellent durability and bearing capacity.
- Excellent Customer Service-If you encounter any issues, such as missing parts, product damage, or other unsatisfactory concerns, please contact us through desertcart's customer service. We will respond to your inquiry within 24 hours and actively work to resolve the issue.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| Brand | Luckyear |
| Color | Black |
| Product Dimensions | 20.7"D x 24.62"W x 44.3"H |
| Size | 3'6" x 1'8" x 2'2.62" |
| Back Style | mesh back |
| Special Feature | Adjustable Height, Adjustable Lumbar, Ergonomic |
| Product Care Instructions | Wipe Clean |
| Unit Count | 1.0 Count |
| Recommended Uses For Product | Gaming, Office, Reading |
| Maximum Weight Recommendation | 400 Pounds |
| Style | Modern |
| Pattern | Solid |
| Room Type | Office, Office Reception, Study Room |
| Age Range (Description) | Adult |
| Included Components | High elastic nylon mesh backrest, PU Arm Pad, Smooth Caster, Soft Sponge Molded Cushion |
| Theme | Task Chair, Teacher Office Chair, business office, gaming Chair |
| Shape | L-Shaped |
| Model Name | Heavy Duty Office Chair |
| Arm Style | 15° Left & Right Rolled, Flip-up Arms |
| Surface Recommendation | Hard Floor |
| Furniture base movement | Swivel |
| Indoor/Outdoor Usage | Indoor |
| Seat Height | 17.6 Inches |
| Seat Depth | 20.7 inches |
| Fill Material | 3D Molded Foam Cushion |
| Seat Length | 20.3 Inches |
| Leg Style | Tapered Leg |
| Arm Height | 8 Inches |
| Reclining Position Count | 2 |
| Tilting | Yes |
| Is Customizable | No |
| Is Foldable | No |
| Chair Backrest Width | 20.67 Inches |
| UPC | 768443479219 |
| Form Factor | office chair |
| Upholstery Fabric Type | Leather |
| Manufacturer | Luckyear |
| Assembly Instructions Description | Instructions provided, but not detailed. |
| Item Weight | 35.9 pounds |
| Item model number | home-office-desk-chairs |

## Product Details

- **Brand:** Luckyear
- **Color:** Black
- **Material:** 3D Molded Foam Cushion, Alloy Steel, Nylon Frame
- **Product Dimensions:** 20.7"D x 24.62"W x 44.3"H
- **Size:** 3'6" x 1'8" x 2'2.62"

## Images

![Office Chair Ergonomic Desk Chair-400lbs Big and Tall Heavy Duty, Wide & Soft 3D Modeling Foam Cushion Home Office Desk Chair with Adjustable Seat Height, Executive Computer Task Chair - Image 1](https://m.media-amazon.com/images/I/71670VJVXjL.jpg)

## Questions & Answers

**Q: Does the chair have an installation manual?**
A: Dear customers,
Hello, please check our video installation guide.
If you have any questions in the future, please contact us through the Amazon information window.
Luckyear after-sales team service

**Q: Do the arm rest adjust up and down or do they just flip?**
A: It is 4D Flip-up Armrest, that can be adjusted up and down, left and right, but left and right can face 40° outward or inward

**Q: What materials are used in this chair?**
A: Answer in the product description.

**Q: How do you get this chair to rocking function?**
A: You can recline by pulling the adjustment lever outward. Please see the operation video. (PS: The chair does not have a button to lock the back tilt function)

## Frequently Bought Together

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**Shop now:** [https://www.desertcart.vn/products/510079670-office-chair-ergonomic-desk-chair-400lbs-big-and-tall-heavy](https://www.desertcart.vn/products/510079670-office-chair-ergonomic-desk-chair-400lbs-big-and-tall-heavy)

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*Product available on Desertcart Vietnam*
*Store origin: VN*
*Last updated: 2026-02-15*