Winsor & Newton Cotman Water Colour 21ml tubes are a reliable choice for art classrooms and studios, offering excellent value and supporting creative exploration for students and developing artists. These student-grade watercolours are ideal for frequent use, group work, and larger projects in educational settings.

• Available in a wide range of individual colours for flexible palette selection
• Each tube contains 21ml of watercolour paint, suitable for extended use
• Formulated for good transparency, smooth washes, and dependable lightfastness
• Made with fine art pigments and modern alternatives for consistent results
• Suitable for use on watercolour paper and with quality brushes