da Vinci Watercolor Series 418 Petit Gris Pur Paint Brush, Wash/Mop Pure Russian Blue Squirrel, Size 8 (418-08) Russian blue squirrel hair is of the highest quality and holds a large volume of water which makes it excellent for mop and wash techniques Generously sized and hand shaped, its unique point allows for full strokes across the paper Huge reservoir lays down large amounts of water ideal for wash and mop techniques Certified green manufacturing with sustainable wood handles, Quill is expertly wrapped with copper wire Handmade in germany at our family owned factory since 1890