MARKER SKIN FINE TIP NON STERILE Our skin markers contain medical-grade, non-irritating gentian violet ink. A large inkreservoir allows for a longer product life and also helps provide constant ink flow for clear marking. Weoffer sterile markers for intra-op and nonsterile for the pre-op area. Nonsterile. Fine Tip Non-Sterile Skin Marker: Our skin markers contain medical-grade, non-irritating gentian violet ink. A large ink reservoir allows for a longer product life and also helps provide constant ink flow for clear marking. We offer sterile markers for intra-op and non-sterile for the pre-op area. Non-sterile. 100/cs. Unit: CS