Seat:pu leather + high resilient foam+abs board ,size:Φ360mm Back:material:self-skin pu + high resilient foam+abs board ,size:450*50mm. Height:570-770mm. Footring:aluminium,chromed steel,Φ400mm Travel distance:200mm,Surface treatment:chromed Material:chromed steel,aluminium,radius:280mm Castor:pu mute. 50mm