Set of 4 wooden school chairs from the 70s, Netherlands

Set of 6 stackable school chairs from the 70s. Chairs with a brown tubular steel frame. Seat and back in pagwood from pagholz (resin injection technique to give the desired shape, strength and flexibility to the wood). Very good general condition, stable structure and complete screws. Some traces of use. Ideal for an individual: dining room, kitchen, bedroom, office, living room... and professional: restaurant, bar or bistro, bistro, meeting room, waiting room, coworking space, third places... seat height: 47cm.