
Winsor & Newton, Cotman Watercolour 21ml Tubes offer you all the high quality you would expect from this brand but at an affordable price.
Cotman Watercolour 21ml Tubes are available in 40 colours and offer high levels of permanency, good transparancy and superb tinting strength.
These tubes are an ideal for those already using Cotman 8ml Tubes or Half Pans who wish to purchase larger quantities of their favorite or frequently used colours at an economical price.
We recommend that you use your Cotman Watercolour 21ml Tubes with watercolour paper with a weight of at least 300gsm / 140lbs and for best results use watercolour brushes.