The shell is available in single-color and bi-color polypropylene (ColorBi®) also with front face or cushion upholstery in leather, faux leather, fabric or customer’s fabric; upholstered shell in two grades of hard leather; fully upholstered shell in leather, faux leather, fabric or customer’s fabric; wood shell, in three color finishes, also with front face upholstery in leather, faux leather, fabric or customer’s fabric; white polypropylene shell (PO101) fitted with non-washable removable cover in fabric, customer’s fabric, leather or faux leather (the chair is provided already fitted with the cover). A non stackable version with steel armrests, also with polypropylene or upholstered support, is available. Glides for wooden floors available upon request - without surcharge.