Winsor & Newton professional block, watercolor cold pressed 300g 12.7x17.8cm 15 sheets on a spiral

Winsor & Newton Professional Cold Pressed block, watercolor 300g 15 sheets are 100% cotton. It is the highest quality substrate for watercolor painting. It allows you to obtain even, smooth stains and deep blurring. It guarantees the best saturation and unmatched brilliance of individual colors. Cotton fibers are internally and externally primed to ensure optimal absorbency and maximum strength of the paper. It does not contain acids or optical brighteners. As a result, it is characterized by natural, bright white of archival quality. It does not turn yellow with time. Size 12.7 x 17.8cm.