1 Ounce Invisible Red UV Fluorescent Ink

1 Ounce Invisible Red UV Fluorescent Ink

Regular price $25.00 Sale

1 oz bottles of invisible Red UV fluorescent ink for permanent security marking on porous surfaces. It can be used in inkjet cartridges, to fill your own pens, applied with a stamper, a brush, and more. It is totally invisible under standard lighting conditions, and it fluoresces 'brilliantly' under long wave UV or 'black light' lighting.