Scholar Artists' Sketch Paper offers natural shade cartridge paper of 130 GSM thick. It is 100% Acid free; Chlorine free and Eco-friendly paper withstand repeated erasures. It contains thick natural shade cartridge paper poly pack of 30 sheets of A3 (29.7 cm x 42 cm or 11.7 in x 16.5 in) that is perfectly suited to all dry mediums. Ideal for Pencil, charcoal, graphite, pastels, ink, pens, and markers.