About Hkeli Office Chair Ergonomic Mid Back Breathable Mesh Armless Office Chair with Lumbar Suppor for Home Office Specifications： -- Product Size(Backrest):15.6"X17.7" -- Product Size(Seat):16.7"X16.3" -- Load Capacity: ≤ 250 LBS -- Adjustable height: 35.6" -40.4" -- Color: Red Features： - Mesh office chair padded cushion offer the extra comfort. - With with ergonomic design can improve your legs and back pain. -Office chair made using high-density sponge cushion, more flexible. -360 degree with sturdy rolling swivel wheels and chair can be more flexible in working station. -Easy to assemble, desk chair estimated assembly time in about 10-15mins.