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ERGOS ONE chairs, created to give remarkable toughness and also security, urge a proper pose, favorably affecting the focus of trainees in the class. Entirely created in double-walled polypropylene, ERGOS chairs follow EN 1729 component 1 and also 2 (European instruction for dimension, toughness and also security). More details: https://www.stakelumstore.com/ School Furniture Ireland Pupil Chair Posture Chair One Piece Chair.