ESTRO is a line of sketchbooks for artists. It has an elegant black cover that is rigid and sturdy to protect your work effectively. Refined gold laminated logo printed on the back. The paper is naturally white, heavy, with a natural grain, made of 100% quality cellulose. It is acid-free and pH-neutral for excellent preservation in time and guarantees excellent erasure. Ideal for sketching with pencil, pen, charcoal, sanguine, pastel, marker, ink and for small works with watercolors. MUSA is a family owned company in Milan, Italy.