SPACE Seating Breathable Mesh Seat and Back, 2-to-1 Synchro Tilt Control, 2-Way Adjustable Flip Arms, and White Coated Nylon Base Managers Chair, White Breathable back with adjustable lumbar support Pneumatic seat height adjustment Deluxe 2-to-1 Synchro tilt and tilt tension control Height adjustable padded 2-way flip arms Coated nylon base with oversized dual wheel carpet casters and black end caps