The Lottus Chair with 5R Base has a 5-star polished or lacquered aluminium base with wheels and comes in a wide range of finishes: polypropylene shell with the option of a seat pad in the same material or upholstered, or partially upholstered; wooden shell with optional upholstered seat pad or upholstered front; or fully upholstered. This all means this office chair has multiple possibilities.