Flash Furniture HERCULES Series Big & Tall 400 lb. Rated Black Fabric Swivel Task Chair with Adjustable Arms Contemporary Big & Tall Office Chair 400 lb. Weight Capacity Mid-Back Design Black Fabric Upholstery Built-In Lumbar Support Tilt Lock Mechanism Tilt Tension Adjustment Knob 3'' Thick Foam Padded Seat 22.5'' Wide Seat Waterfall Seat promotes healthy blood flow