DirectGlow Set of 3 Invisible UV Blacklight Ink Marker Blue Red Yellow with UV Lights

Our DirectGlow brand UV blacklight reactive invisible ink markers use high quality semi permanent invisible ultraviolet ink. Perfect for identification marking, secret messages, and other stealthy security uses. Glows an incredibly bright blue, red and yellow in blacklight! Perfect for metal, plastics, paper or any porous surface. Safe for skin and body as well. Draw designs or create body art on the skin that won't be viewable until the blacklight is turned on! Totally invisible, won't wash off easily, and is only visible under blacklight. The colored plastic body matches the color of ink inside. Matching complimentary mini UV key chain included with each marker. These are 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, glow parties, raves 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 may cause fading over time. Markers are blacklight responsive ONLY and do NOT glow in the dark.