https://www.ton.eu/en/products/detail/ironica-chair/#g42p14165.g43p2940 
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ironica chair
The simplicity retro style and variety of available colors allow Ironica chair to become an interior solitaire. The back part is made of seven hand-smoothed bars holding the bent backrest. This chair is easy to combine with its namesake table.
Dimension:
Width 17.3 / 44cm
Depth 18.7 / 47.5cm
Height 33.2 / 84.5cm
Seat Height 18 / 45cm

18 chairs
This chair was introduced in 1876. A backrest is filled with manually bent rod that copies the outlines of the backrest.
Dimension:
Width 16 / 41cm
Depth 20.2 / 51.5cm
Height 33 / 84cm
Seat Height 18.1 / 46cm