Acid free, creamy off-white, 140 lb. (300 gsm) watercolor paper. Superior archival quality, heavyweight sheet is composed of 25% cotton. Pronounced surface lends itself to drawings and preliminary artwork designs. High rag content will take watercolor as well as dry media. For pencil, pen, charcoal, pastels, watercolor, and acrylic. The double wire binding creates a flat surface, allowing the artist to draw across the page. The sturdy black chipboard cover can be personalized with acrylics to make your journal as distinctive as your artwork! Extra heavyweight 100% recycled chipboard front and back cover make these books perfect for field work. Micro-perforated to true size for easy sheet removal. Made in the USA.