This paper has strong cotton fibres that will withstand the larger amounts of water needed when using watercolour paints. This 90-pound watercolour paper will allow artists to use various techniques such as: Wet-On-Wet Underpainting Gradients and Colour Blending Layering Watercolours Dry Brush Lifting Colour Watercolour Blooms Sheets of paper are 9"x12". Check out our other items: