Homycasa Office Ergonomic Chair High-Back Mesh Executive Chair (BLACK) Load capacity: 330LBS,Tested For:120-150KG(264-330LB). Padded mesh seat and back for whole-day comfort. Upright locking position with adjustable tilt tension control. Pneumatic seat-height adjustment; 360-degree swivel; smooth-rolling casters. Seat Size: 19"(W) x 18.5"(D); Backrest Height: 27". Seat Height: 13"-18" adjustable height.