Krink K-73 Bleed Thru Marker - Blue is an ink-based graffiti marker from with special staining properties making removal much harder as it "bleeds through" most surfaces to soak the surface underneath. Krink incorporated a firm crisp chisel tip that can take a beating allowing graffiti writers to get up with or without drips! Krink K-73 Blue is a solid middle blue hue that stands out best on most light to medium dark surfaces.