Watercolour painting requires high performance papers, specially formulated to accept colour and withstand repeated application of washes. Daler Rowney watercolour papers are made from the highest quality wood pulp and cotton fibres, and they're all acid-free to prevent discoloration over time. ''Rough' papers feature a rough, textured surface. 12 sheets of Langton mould-made watercolour paper. •Acid-free •300gsm •A3 •Rough surface.