The Royal & Langnickel Zen Series 73 All Media Brushes simulate the experience of natural hair brushes. Comprised of multi-diameter synthetic filaments; these brushes are provide optimal absorbency and versatility with minimal maintenance. The Zen Series 73 Brushes are resilient and maintain spring and fine points for ideal multi-media purpose. The metallic, silver ABS handles allow you to soak the brushes in water without swelling, cracking, or chipping.