Features:

Customizable Lumbar Support for Pain-Free Sitting：Say goodbye to back pain with the pump-adjustable inflatable lumbar system that lets you dial in perfect lower back support. Plush padded armrests relieve shoulder and arm tension, making long workdays feel effortless.
Built for Every Body: 500lbs Heavy-Duty Capacity：Reinforced steel frame meets explosion-proof base to create a certified heavy-duty structure supporting up to 500lbs. The generous 22-inch wide seat provides spacious comfort for users of all sizes.
Cooling Gel Memory Foam – No More Overheating：The 3D body-hugging memory foam cushion features a cooling gel surface that actively dissipates heat while delivering triple-layer plush comfort. Experience the perfect balance of softness and temperature regulation.
Silent & Scratch-Free Floor Protection：Mark-free rubber casters with PU-nylon cores and soft rubber edges glide silently across hardwood, tile, and carpet without leaving a single scratch. Enhanced mobility means you move freely, not noisily.
Maximum Safety: SGS Class-4 Gas Lift + Anti-Tip Base：Your safety is guaranteed with the test-certified safety system, featuring the highest standard SGS Class-4 gas lift and an anti-tip base tested to rigorous cycles. Engineered to keep you secure and stable, every single day.

Specifications:

· Product Type: Big and Tall Office Chair / Executive Desk Chair / Ergonomic Computer Chair

· Tilt & Rocking: 90°–122° recline with tilt lock & rocking tension adjustment

· Material Options: PU Leather (Brown, Black)

· Adjustments: Inflatable lumbar support, seat height, rocking tilt (90°–122°)

· Armrests: Flip-up padded armrests (90° folding)

· Chair Dimensions: 29.1"W x 28.3"D x 42.7"–45.8"H

· Back Height: 29.5" Ergonomic High Back

· Seat Size: 22"W x 21.6"D – Extra Wide

· Seat Height: 18.3" –21.4" Adjustable

· Weight Capacity: 500 lbs

· Assembly Required: Yes, tools included

· Base & Casters: Heavy-duty metal 5-star base with upgraded rolling casters

· Recommended Use: Home office, business workspace, gaming setup, big and tall users, long sitting hours

Big and Tall Office Chair 400LBS Flip Up Arms Adjustable Lumbar Support Black