This Wire-O Sketchbook is suitable for all dry techniques and media and is also suitable for water-based markers, light washes and most other techniques. It features two heavy duty grey binder board covers bound with black wire-o rings.Product Details:- 130gsm natural white cellulose sketch paper with rough surface- Lignin-free, wood-free, acid-free, chlorine-free bleached- Black wire-O bound with a diameter of 25.4mm (1?)- Size: A4/8.3" x 11.7"- 130gsm paper, 110 pagesSupplier Code: 150412