EXECUTIVE HIGH BACK BACK FRAME STRUCTURE MADE OF NYLON SEAT&BACK UPHOLSTERED WITH MICROFIBER AND MOULDED CUSHION CHROME FIXED ARMREST WITH PU PAD MULTI-FUNCTIONAL MECHANISM 100MM HYDRAULIC 350MM ALUMINIUM BASE 50MM TWIN SUPERIOR NYLON CASTOR One Year Warranty Only For Manufacturing Defects, Not For Any Physical Damage.