The Pacon side spiral-bound sketch pad is ideal for quick-study sketches and drawings. Excellent, mediumweight, acid-free sulphite stock. Ideal for all dry media, including pencils, chalk and charcoal. Perfect for quick-study sketches and drawings, with a chipboard backing giving you all the balance you’ll need. Book/Pad Binding Type: Wirebound; Book/Pad Binding Edge: Side; Book/Pad Sheet Size: 11 x 8.5; Book/Pad Subjects/Sections: 1.