DRITZ-Fons & Porter Permanent Markers: Red; Black and Brown. These markers write smoothly with a fine 0.5mm line. They contain archival; water-based pigmented inks; marks do not smudge or bleed and the ink conforms to ASTM D4236. When inks are heat set they will not fade in the wash. Care: wash fabrics according to directions using only cold water. Imported.