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 A4 (29.7 cm x 21 cm or 8.3 in x 11.7 in) that is perfectly suited to all dry mediums. Ideal for Pencil, charcoal, graphite, pastels, ink, pens, and markers.