This suite of furniture comprises six armchairs known as the ‘Zig-Zag’, made entirely of reinforced concrete. The set dates from the 20th century, around 1970. The structure of these chairs is based on the use of reinforced concrete and is in the Brutalist style. Each piece features a distinctive geometric cut-out specific to the model. The measured dimensions are 50 centimetres wide, 72 centimetres high and 36 centimetres deep. The set is in a well-used condition. No artistic attribution or specific provenance is mentioned for this set, which is located in Brussels.