MESH HIGH-BACK CHAIR OFFERS A MESH BACK AND SEAT WITH PLASTIC-COATED STEEL FRAME. ERGONOMICALLY DESIGNED BACK ACCOMMODATES THE NATURAL CURVATURE OF PERSON’S BACK. ARMS WITH POLYURETHANE ARM PADS ADJUST IN HEIGHT AND WIDTH. FUNCTIONS INCLUDE PNEUMATIC SEAT-HEIGHT ADJUSTMENT FROM 18″ TO 21-1/2″, SEAT-GLIDE MECHANISM, 360-DEGREE SWIVEL AND TILT TENSION. HIGH-BACK CHAIR MEETS THE CA117 FIRE-RETARDANT STANDARD.