Dimensions: - base: 350mm steel base - caster: 65mm in nylon caster - total dimension (wxdxh) 74 x 70 x 134-142 cm Backrest dimension (wxh) 64 x 90 cm - seat dimension (wxhx) 60 x 54 x 50-58 cm - arms dimension (wxh) 74 x 65-80 cm Additional information: - maximum weight: 200kg / 440lbs - 3d adjusta