Workpal Metallic Marker Pen - Fine Point Nib Double Head Marker 1 PcHow To Use: Shake Several times before use. Press the Tip down and hold for a while for the ink to flow out. Recap the pen tightly after use. Writes on nearly all smooth surfaces with your imagination and creation, allowing you to easily write on paper, stone, rubber, ceramics, wood, glass, plastic! Not suitable for porous and rough surfaces. Quick drying, Opaque Ink, Great Coverage, Water & Fade resistant, Environmental friendly. This acrylic paint