OFFICE FACTOR Ergonomic High Back Executive Very Good Quality Nylon Mesh Chair with Flip up Armrest Synchronized Mechanism and Aluminum Base 250 POUNDS RATED MODERN CONTEMPORARY ADJUSTABLE SWIVEL EXECUTIVE MANAGERS CONFERENCE ROOM MESH CHAIR INCREASE YOUR EFFICIENCY WITH THIS SUPER COMFY AND ERGONOMIC CHAIR SYNCHRONIZED MECHANISM SEAT HEIGHT ADJUSTMENT LOCKING BACK IN ANY POSITION CONTROL SPRING TENSION