Sized as a mini to save money and be a more eco-friendly alternative to full size skin markers. Easily removable ink comes off clean with an alcohol swab or warm soap and water. Intended for marking piercing sites after prep, or marking non-surgical aesthetic procedures Red EZ Removable Ink also offers enhanced visibility for laser procedures. All Viscot Branded Skin Markers are designed for use on the skin. They are non-toxic and FDA Registered.