Acid free, 93# (150 g/m2), natural white, dual surface, textured and smooth sheet. Great for pencil, pen and ink, crayon, chalk, charcoal, pastel and light washes. Double wire binding creates a flat surface, allowing the art to flow across the page. Sturdy black chipboard cover can be personalized with acrylics to make your journal as distinctive as your artwork! Perfect for field work and micro-perforated for easy sheet removal. Proudly made in the USA.