COPIC MARKER-Sketch Markers Manga Wallet B. A perfect kit for any artist! This package contains twenty-four colored sketch markers with refillable dual tips (a super brush nib on one side and a medium broad nib on the other) and one 7x11 inch manga wallet that holds twenty-four Copic markers. Compatible with the Copic Airbrush System. Conforms to ASTM D 4236. Imported.