About This

• Invisible/colorless in normal light. Glows bright blue 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 broad 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 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, and more!
• Ink is fast drying and does not remove easily! Avoid sensitive area such as eyes, mouth, and nose

Overview

• Brand : Opticz
• Ink Color : Blue
• Number of Items : 1
• Point Type : Medium
• Recommended Uses For Product : Ultraviolet security, mark personal belongings, glow party, secret messages, drawing, UV art