• Invisible/colorless in normal light. Glows bright yellow 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 (such as admissions) 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.
  • Invisible/colorless in normal light. Glows bright yellow 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 (such as admissions) 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.