1easy to coloring 2keep long time 3never change color 4can mix the color 5purel plant ... .According to your need to choose colorColors:DARK RED, JET BLACK, REAL RED, JAPANESE RED, DARK BROWN, BURGUNDY,LIGHT BROWN, ORANGE, BEIGE, BLACK ... , chocolate brown, OLIVE, ROSE RED, PINK MAUVE,RED WINE, BROWN, WHITE, YELLOW, TAUPE, SUNSET, GREEN, GRAY and ...