Radical Deal Mid-back Mesh Executive Managerial Computer Office Chair (Red) 5pcs 360-degree swiveling castors for easy movement Super strong metal base and with gas lift design Premium fabric mesh seat base and backrest Fully adjustable height(total height adjustable from 33" to37" ) Max load.:Approx.220lbs; Seat Size: 18.3" x 17.3" x 2.4"