Flash Furniture HERCULES Series Big & Tall 500 lb. Rated Black Leather Executive Swivel Chair with Arms Contemporary Big & Tall Office Chair 500 lb. Weight Capacity. Back Size-23 W x 28.5 H inches. Seat Height-21 - 25.5 H inches. Arm Height from Floor-28.75 - 33 H inches High Back Design with Headrest Built-In Lumbar Support. Seat Size: 22.5 Inch W x 24 Inch D Tilt Lock Mechanism. Arm Height From Seat: 8 Inch H Tilt Tension Adjustment Knob 3'' Thick Foam Padded Seat 22.5'' Wide Seat Waterfall Seat promotes healthy blood flow Swivel Seat