Opticz Invisible UV Blacklight Reactive Ink Markers Blue Red Yellow with UV Light

Our Opticz brand UV blacklight reactive invisible ink markers use high quality invisible ink. Perfect for identification marking, wall decoration, and other stealthy security uses. Safe for skin too! Glows an incredibly bright in blacklight! This set comes with a UV keychain light which will expose the ink once applied. Perfect for metal, glass, plastics, paper. Totally invisible, won’t wash off easily, and is only visible under blacklight. These are the markers you want for for invisible, "only visible in blacklight" marking. These markers can be used for: Glow parties, event tickets, industrial coding, security printing, coupons, raffle tickets, inventory control, advertising, and more! Can also be used on: Aluminum, ABS, Acrylic, Rubber, Cellulose, Acetate, Formica, Nylon, Polystyrene, and Polyethylene. Fine tip for precision application. Ink is non-toxic, fast-drying and non-transferable.

• Invisible/colorless in normal light. Glows bright in UV blacklight. Safe for skin and body
• Marks virtually any porous surface with ease. Does not wash off easily. Ultra fine tip for precision application