• Edding inks are ideal for quickly filling ink into whiteboard pens, It has a drop dispenser system and allows easy filling, The filling volume is 30 ml, It is produced in green, red, blue black colors, It has a durable bottle and is light-proof, Edding inks do not contain butyl acid Depending on the size of the pen to be used, you can reuse your pen with white board pen ink between 20-40 drops, The product is made in Germany Everything you need is at your door with a single click!