Basicos MR 10402&nbsp;&ndash;&nbsp;Flexible Leather Notebook 4, 300&nbsp;Sheets, Squared, with Rubber, Black Flexible notebook that allows maximum adaptability and minimal weight. Recycled leather cover: 75% cowhide leather fibres + 25% natural latex and pigments. Soft, smooth, durable and with an aroma similar to quality leather. Rubber closure to take it everywhere comfortably. Pages: 300.