Hopebook has launched it's marker pen set. This marker set consist of double headed marker pens that are available in 24 shades.There is broad tip on one side and brush tip on the other side. The high-quality fiber pen tips are wear-resistant . Plus, the water-based ink is acid-free and non-toxic, making the Hopebookâs Marker Pen Set ideal for kids and adults, amateurs and professionals alike.Can be easily layer and mix with different colors without worrying about smudges and blotches.