The basics Color coordinated bowls and brushes with center caddy pole. The benefits Three color bowls with measurement markings and handles. Three color brushes with gel handles and unique contour bristles. The uses Three different colored bowls paired with three color coordinated brushes that all affix to a center caddy pole eliminates confusion and cross color contamination. The bottom line Betty Dain Colortrak Caddy is ideal for dimensional hair coloring.