Masterclass Premium 9 Inch by 12 Inch Spiral Bound Hardcover Sketchbook, 100-Sheets, Acid-Free, Perfect Sketch Book For Traveling, Durable Cover And Binding Allow Your Drawing Pages To Lay Flat. &hellip; DURABLE HARDCOVER: Made of the highest quality materials to protect your art for years to come. Solid hardbound cover that can be used as a drawing surface. Twin loop metal spiral binding. The highest quality paper, resistant to the passionate artist (bleeding, rough erasing, and shading). VERSATILE PAPER: 100 Sheets of 60 pound fine textured bright paper. Acid free, and lightly perforated. Ideal for all dry media including pen, pencil, charcoal, marker, pastels, crayons, and scrapbook sketching sticks. REFINED EXPERIENCE: Masterclass Premium Sketchbooks are in a league of their own. We strive to create significant improvements to the artists experience, based on customer feedback. READ OUR REVIEWS: Trusted by professional artists, students, and enthusiasts worldwide. U.S. Veteran owned business, proudly supporting The Wounded Warrior Project.