Our Opticz brand UV blacklight reactive invisible ink markers use high quality semi permanent invisible ink. Perfect for identification marking, wall decoration, and other stealthy security uses. Glows an incredibly bright in blacklight! Perfect for metal, glass, plastics, paper. Safe for skin and body as well. Totally invisible, won't wash off, and is only visible under blacklight. These markers have a large body and wide tip. Great for shading in large areas and making larger marks than our standard fine tip markers. They also have 2x the amount of ink inside! These is the markers you want for semi permanent, invisible marking. These markers can be used for: 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.Prolonged exposure to sun light or continuous high powered UV exposure may cause fading over time.

• These is the markers you want for semi permanent invisible marking. These markers can be used for: Event Tickets, Industrial Coding, Security Printing, Coupons, Raffle Tickets, Inventory Control, Advertising, and more!
• Ink is fast drying and does not remove easily! Avoid sensitive area such as eyes, mouth, and nose.

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