top quality binder, made from cardboard with a thickness of 2.1 mm, 1290gsm;reinforced bottom edges;coated in matt polypropylene film (100 µm), with a texture of canvas;grey paper inner coating, dirt-resistant;replaceable, reversible spine label;top quality leverage mechanism;reinforced finger grip hole,spine width: 75mmsize: 75x320x285mmlife warranty for the mechanismcolour: orange