Couple of Antonio Citterio for Flexform armchairs

Kopper arm chairs from the 1970s. This top duo was designed by Antonio Citterio in the 1970s! The chairs have a contemporary look and feel. They are made of
The chairs are in very good condition. several are available if desired. The price for the pair! 
 
Measurements: 
Height: 92cm 
Width: 62cm
Depth: 72cm
Seating height: 45cm