Set of 2 - Post-modern cubic lounge chairs in plywood and metal, 1980s-1990s

Modern blue/purple set. Set of two bucket chairs. Designer/manufacturer unknown, probably Dutch. These chairs date from the 1980s/1990s and were reupholstered in 2016. They have a metal frame and a plywood shell. In good condition, with normal signs of wear. One of them has a few chips at the bottom of the backrest. See the photos for more details.