8pcs wet erasable colored chalk pen,non-toxic liquid ink neon pens,6mm reversed round brush tip,for flashing led lighted board,blackboard,whiteboard,menu message board,glass,window bxt <p></b>reversible dual tip neon glitter highlight pens 8 counts for drawing, painting, writing</b></p> using tips:<br><br> 1. shaking the pen to ensure the oil and ink inside mixed completely; <br> 2. remove the pen cap and upside down the pen (tip upward), then press down to tip to exhaust air; <br> 3. grip the pen and press it on paper for several time until ink starts flow (for about 40 seconds)