Set of 6 folding chairs 80's design

Set of six chairs with a particular 80s design, incredibly comfortable despite being foldable. Black lacquered wooden structure, round seat padded with blue fabric with black dots. Perfect vintage condition, just a few slight signs of time.
 Measures:
 Width 38 cm
 Depth 62 cm
 Folded depth 18 cm
 Height 83 cm
 Seat height 45 cm