NYLON BACK WITH INJECTED FIRE RETARDANT MESH ADJUSTABLE LUMBAR SUPPORT ADJUSTABLE ARMS (UP/DOWN ) WITH  P.U PADS NYLON BASE WITH NYLON WHEELS MULTI POITION LOCKING WITH SELF WEIGHT MECHANISM 100 MM CLASS IV GAS LIFT HIGH-DENSITY PU FOAM SEAT FIRE RETARDANT FABRIC FOR SEAT COLOUR : BLACK ASSEMBLY : DO IT YOURSELF. DELIVERY TIMELINES : FOR BANGALORE 7 DAYS & OUTSTATION 14 WORKING DAYS. WARRANTY : 1 YEAR ON MANUFACTURING DEFECTS FROM PLANT.