Universally useful white synthetic hair is presented on an acrylic handle with an adjustable ergo grip. The red silicone comfort cuff on 6550, can be slid up and down the brush handle to better fit your hand ergonomically. Designed to be affordable, these brushes are incredibly functional. A great choice for children and even older artists who will be aided by its ergonomics. Works well with watercolor, tempera, gouache, and acrylic.