1.Squirrel hair is of the highest quality and holds a large volume of water which makes it excellent for mop and wash techniques, Excellent for watercolors, gouache, illustration, animation and rendering 2.Hight quality Mop Brush lets you stop worrying about paint brushes that rust, shed, and fall apart, so you can focus on your art instead. Durable easy-to-clean Squirrel hair make cleanup a snap. 3.Generously sized and hand shaped, its unique point allows for full strokes across the paper, Artists need to use best paint brushes to creat wonderful artworks. 4. Great gift for your kids, friends, beginners, artists or anyone who have fun in painting. 5. The 1 brush set includes size #8.