Office Factor Visitors Reception Guest Conference Room Mesh Chair Adjustable Arms in and Out and up and Down Adjustable Lumbar Support ERGONOMIC GUEST CHAIR GOOD NYLON MESH ON BACK AND NORMAL MESH ON SEAT ADJUSTABLE ARMS REST ADJUSTABLE LUMBAR SUPPORT IN AND OUT AND UP AND DOWN IRON BASE 250 POUNDS RATED MESH FABRIC WICH ALLOWS AIR TO PASS THROUGH ADDING TO LONG TERM COMFORT INCREASE YOUR EFFICIENCY BETTER CHAIRS BETTER WORK 5 YEAR LIMITED WARRANTY