Quality Material: The heavyweight sketchbook is made of recyclable, high-quality 98 lb/160 gsm mixed media materials. Sufficient thickness can prevent ink from bleeding through the pages. Each sheet is acid-none, which ultimately prevents the colors from deteriorating or fading. Tough & Convenient Ring Binding Design: Our sketch book is attached using a sturdy ring binding, which can protect the paper when turning pages. Wide Application: Our drawing, writing, and painting art paper is perfect for a range of different mixed media, including pencil, pen, charcoal, crayons, sketching sticks and gel pen. Can be used as sketch pad, sketchbook, drawing pad,…