PRINCETON Catalyst Polytip 6400 Bristle Round (LH) Winsor & Newton vibrant colors that retain their

vibrant colors that retain their brilliance when wet

Acid-Free and Long-Lasting: Each sheet is acid-free

Maimeri Blu features an absolute purity of pigments that

Best For: Graphite pencils

waterproof

PRINCETON Catalyst Polytip 6400 Bristle Round (LH) Winsor & Newton vibrant colors that retain theirROUND: Thick to thin strokes; for detail or filling in large areas depending on brush size and pressure applied. Catalyst Polytip Bristle brushes are another Princeton breakthrough that advances the science of synthetic hair. This new series is super stiff yet still extremely responsive. Unlike natural hog bristle, Catalyst has real integrity in water. Natural bristle can be rendered useless when it is water soaked. The true advance in Catalyst is the