New russian blue squirrel hair "mix" brush with a new synthetic squirrel imitation fiber. aka petit gris mix. * The thick reservoir of the belly is designed for maximum water holding as this brush lays down softly textured washes. * A highly elastic brush that is more affordable in larger sizes for wash and mop techniques. * Excellent for Watercolor, Gouache or Porcelain Painting. * Certified green manufacturing with sustainable wood handles, made in germany.