Canson The Wall - Smooth 220 GSM 21 x 29.7 cm or 8.3 x 11.7'' Spiral Pad - 30 Sheets is a revolutionary paper specially designed for graffiti artists, illustrators, and designers. These high-quality, French-made paper with a technologically advanced barrier material sandwiched into each sheet - creating 60 usable surfaces. Ideal for solvent-based markers and aerosol sprays. Also suitable for pencils, pens, felt pens and ink drawings.