Master class in the neck of office chair type iso. https://krovat.kiev.ua/kak-peretyanut... Replacing the upholstery and foam rubber. We use for stretching polyurethane foam 3 cm thick on the seat and 2 cm for the backrest. Adhesive without odor for foam rubber. Foam is covered with sintepon. The fabric is flock lilac. Upholstery does not require fabric sewing, which simplifies the task of tightening the chair for the office home.