"Da Vinci Petit Gris Pur Blue Squirrel Brushes are significantly longer and larger than other brands, and are ideal for mop and wash techniques, for priming, and for area work. The majority of the brush shapes in the line are made from pure Blue Squirrel hair. The Round and Flat Wash brushes contain a mixture of Blue Squirrel hair and a synthetic fiber that imitates Squirrel hair. The particular attributes of this natural and synthetic hair mix includes its water-holding and paint-holding capacity, making it especially ideal for water media. The Rounds are perfectly suited for painting flowers and blooms. Large sizes are available in every series." -Blick

This brush is made with natural hairs or fibers.

Natural