High back mesh/fabric seat drafting chair Synchro (2:1) with back/seat angle adjustment and infinite lock Adjustable tension control Mesh back with adjustable lumbar support Contoured seat cushion Gas lift with 7-1/4" height range Adjustable footring Gas lift Rated for 350 lbs. GREENGUARD Indoor Air Quality Certified® Height Width Depth Overall 39.75 - 47.00" 20.00" 23.00" Seat 20.50 - 27.75" 20.00" 19.25" Back 27.25" 20.00" Carton