i.d. art supply Spiral-bound Sketchbook (18x24'): Arts, Crafts & Sewing. Shop i.d. art at the Arts, Crafts & Sewing store. Free Shipping on eligible items. Save on everyday low prices.. Spiral bound sketchbook 。 70 Acid-free unlined pages 。 60lb // 98g/m weight 。 Microperforated edges 。 Size:18x24" 。 High quality spiral bound sketchbook. A versatile surface for a variety of dry media. Ideal for charcoal, pastel, pencil, and pen. 。 。 。