2oz Bright GREEN Blacklight Reactive Luminescent Ink Brightly colored and highly visible in daylight. Glows incredibly bright in UV blacklight. Blacklight only. Does NOT glow in the dark! This is that hard to find UV Blacklight Reactive Ink for hand stamping, document marking, glow parties, marking valuables, admissions, and other unique security applications. Works great with stamp pads, rubber stamps, Q-Tips, or any other practical application method. Ink is alcohol based and has a very thin consistency so a little goes a long way! Safe for use on skin. Will not wash off easily like other brands, but can be removed with effort. Alcohol based for quick drying. Avoid eyes, mouth, and sensitive areas. Please note these colors will not have full luminousity in UV light until they are completey dry. Dry time is 30-60 seconds with light application. Heavier applications can take up to 5 minutes to dry.