UPC 840015102548

• Invisible/colorless in normal light. Glows bright red in UV blacklight. Please note, these markers do NOT glow in the dark. You must have a blacklight to get the glow effects.
• Extra large body with braod tip. Contains twice the ink as our standard sized markers!
• Safe for use on skin. Use for security marking or create amazing invisible body art designs that glow in blacklight!
• 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.

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 incredibly bright in blacklight! Perfect for metal, glass, plastics, paper. Safe for skin and body as well. Totally invisible, won't wash off easily, 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.