【PREMIUM ALCOHOL-BASED MARKERS MADE IN JAPAN】A fast-drying, transparent alcohol ink will not harm the surface or fibers in the paper allowing it to remain smooth. The ink used is low-odor and non-toxic. Square, rounded-edge barrel designed for comfort. 【REPLACEABLE NIBS】STANDARD FINE & STANDARD BROAD: The Standard Fine nib is perfect for creating fine details in your creations. The Standard Broad nib is perfect for creating thick, consistent lines. The broad nib can be also used with the Copic ABS (Airbrush system). Also, other opnion nibs are available for purchase. 【REFILLABLE】a separate ink refill product "Copic Ink" allows you to save money and be friendly to the environment. 【ACMI certifiied】all Copic markers are ACMI certified and conform to ASTM D-4236. 【214 COLORS】available in 214 colors and sets. Features iconic rounded square barrel.