Canson Watercolour Pads have a 100% cotton content, making the paper strong and absorbant. An innovative sizing ensires uniform washes without accumulation of pigments. Colours will be much brighter and vivid on this paper. Canson Watercolour pads are available in 3 different surfaces, Not, Rough and Hot Pressed. Ideal for watercolour painting, as for all wet techniques such as ink, gouache and acrylic.