Quick overview from the supplier:
Gaming/Office Chair DXRacer Valkyrie GC-V03-N-B2, Black/Black, Premium PU leather + Perforated & Carbon look PVC, max weight up to 150kg / height 165-195cm, Recline 90°-135°, 3D Armrests, Head&Lumbar Cushions, Aluminium Spider, 3"PU Caster, W-23.7kg