Switch Marker / Sketch Marker

To solve the demand question about “refill ink” is the central focus by SWITCH MARKER.Many people are always plagued on “When have to add ink?””How much ink should I add?”and”How can I fill it clean and fast?” These are many users’ experience on using the marker. SWITCH MARKER lets marker‘s body and Ink refills into one common part,it use clear rubber material,let user can easily look how much ink left over and decide when to buy a new ink refill to change. This new pattern is much quicker and easier than traditional forms,without waiting and ink spill out.