This unique office chair folds if you have the need to slide under your desk or give your office an open feeling when not in use. The two thumb sliders placed on the sides of the chair make it an easy transition to the folding position. Chair also features a locking tilt control, pneumatic seat lift and a sturdy nylon base that is trimmed in silver. BT-9875H-GG High Back Swivel Chair, Foldable Back to fit under desk, Thumb Sliders on side of chair releases back, Folded Height 23'' 26'', Built-In Lumbar Support, Locking Tilt Control Mechanism, Pneumatic Seat Height Adjustment, Padded Nylon Arms, Heavy Duty Silver Trimmed Nylon Base, Dual Wheel Casters, Black LeatherSoft Upholstery, LeatherSoft is leather and polyurethane for added Softness and Durability Office Chair 1