Do your office work in the comfort of this Elama High Back Adjustable Mesh and Fabric Office Chair in Black with Adjustable Head Rest. The sponge cushioned seat is constructed of breathable mesh that provides you ultimate comfort for hours while sitting at your desk. Features flip up mesh cushioned arms that you can push out of the way when you need more freedom of movement. Lumbar support panel at the bottom moves with you as you lean back or forward in this chair to give you optimal support at every position. The adjustable height, sleek 5 wheel 360 degree swivel base, and adjustable head rest allows you to maneuver freely around your office space all while customizing this chair to work for you! Material: Mesh fabric office chair/ Primary Sponge Seat/ Metal Base Color: Black with White Frame 360 Degree Swivel Adjustable Head Rest Armrest: Adjustable cushioned armrests 5 Wheel Base Design Butterly mechanism Class 3 gas lift Foot material: 320mm nylon base with wheel All materials meet with BIFMA standard Product size: 25.98in length, 23.82in width, 45.47-49.21in adjustable height Seat Dimensions: 21in length, 19.2in width, 28.2in height 17.51 - 21.26 Inches Adjustable Height from Seat 1pc/brown box size: 26.39x12.80x24.21 inches N.W./G.W.: 26.67/ 31.09 pounds HH-8159H-2