Three basic brushes for Chinese painting or Sumi-e and calligraphy(Not suitable for acrylic.) 1) A refined soft goat hair brush with 90% thinner sheep hair for loading capability and 10% thicker goat hair for pointed tip: bristle length 1-1/2" and 3/8" diameter, with bamboo handle total bruch length 11". This soft brush is a great wash brush. 2) A wolf hair stiff brush: bristle length 1-1/4", diameter 5/16", total length 10". As a liner, it is commonly used for calligraphic strokes such as bamboo and orchid. 3) A small weasel hair stiff brush. Bristle length 3/4", 1/8" diameter, 8" long total with bamboo handle. This brush serves as a small liner. As its name "Ye Jing"("Leaf Vein") suggests, it is commonly used for defining veins on leaves and drawing of other details. You may use it as a signature brush to sign your paintings.