Strathmore 400 Series Artagain Pad, Coal Black, 9″x12″ Glue Bound, 24 Sheets The Strathmore 400 Series Artagain Pad in Coal Black is a premium-quality sketch pad designed for artists who require a deep, rich surface for their work. Measuring 9″ x 12″, it includes 24 sheets of glue-bound, coal-black paper that is acid-free and made with 30% post-consumer fiber. This heavyweight paper is perfect for use with light-colored media such as pastels, chalk, or gel pens, allowing for striking contrast and bold artwork. Ideal for creating dramatic effects and detailed designs. ​