Sketchpad with 100 % cotton black paper for watercolours of professional quality. A fine, even and subtle grain, easy to use and offering great versatility. Optical brightener-free, acid-free and pH-neutral. Black Fontaine is an original deep-dyed watercolour paper. Its cold-pressed surface is versatile and perfect for clear, iridescent and metallic colours. Very resistant to scratching, excellent absorption capacity and allows for repeated repairs.