A bound collection of paper sheets specifically designed for use with water-based paints constitutes a portable surface for artistic expression. Typically featuring thicker, textured paper capable of absorbing moisture without buckling, it allows artists to experiment with washes, layering, and other watercolor techniques. Artists use these for plein air painting or studio work, resulting in illustrations, studies, or finished pieces.
The value of such a specialized art supply lies in its convenience, portability, and the paper’s ability to withstand the unique demands of watercolor painting. The structured format encourages practice and development of skills, while the bound nature provides a chronological record of artistic progress. Historically, sketchbooks have served as vital tools for artists to capture observations, ideas, and preliminary studies that later inform larger works.