Opticz UV Blacklight Reactive Luminescent 2 oz. Inks - 4 Pack

2 ounce bottles are perfect for testing and sampling. This is that hard to find UV Blacklight Reactive Readmission Ink for hand stamps, box marking, wall decorations, and other unique security applications. Includes Green, Yellow, Pink and Invisible Blue Clearly visible under black light. Not easily washed off, very difficult to remove with effort. Glows brightly under blacklight. Fluorescent and LED blacklights are recommended. Best viewed in dark or shaded area. Normal light (sunlight or white light) can make the effect less obvious to visually detect. Opticz Blacklight Reactive Inks are suited for use on skin, fabric and similar porous or textured surfaces. Fluorescent inks work best with fluorescent uv lighting in the 365nm range. Green Normal Color: Faint Green UV Blacklight Activated color: Bright Green Yellow Normal Color: Semi-Visible Yellow UV Blacklight Activated color: Yellow Pink Normal Color: Faint Pink UV Blacklight Activated color: Bright Pink Blue Normal Color: Invisible/Colorless UV Blacklight Activated color: Bright Blue Simple to use - inks come ready made Won't gum up - stamp pads stay cleaner longer Economical - small amounts of ink are used with stamp pads Readmittance type inks are designed for use at amusement parks, social gatherings and sporting events Inks are non-toxic, fast-drying and non-transferable This ink can be used for textile marking, hand-stamping, and fabrics. Includes 4 (Four) 2 oz ounce bottles Alcohol based for fast drying.