Make your ideas stand out with the Derwent Black Wire bound Book. It"s perfectly portable and ready to go at a moment"s notice. Just pop it in your bag or backpack. The hard covers provide a steady surface on which to create, and the elastic stretch band secures the book to help keep loose paper in check. Portrait size, A3, 200gsm (135#), acid free heavyweight black paper is perfect for Metallic, Color soft and Intense pencils. You can also use it for scrapbooking.