Flash Furniture High Back Folding Black Leather Executive Swivel Chair with Arms Contemporary Office Chair High Back Design with Headrest Built-In Lumbar Support Foldable Back to fit under desk Thumb Sliders on side of chair releases back Folded Height: 23'' - 26'' Tilt Lock Mechanism Tilt Tension Adjustment Knob Contoured Seat and Back Waterfall Seat promotes healthy blood flow