Achille and Pier Giacomo Castiglioni- Achille and Pier Giacomo Castiglioni are the designers or design studio credited by Flos for selected collections.
Achille Castiglioni- Achille Castiglioni is the designer or studio credited by Flos for selected collections.
Achille Castiglioni and Pio Manzu- Achille Castiglioni and Pio Manzu are listed by Flos as the designer or studio for selected collections.