DirectGlow 3ct Invisible Blacklight Ink Marker Pen Blue Red Yellow

These compact sized UV blacklight reactive invisible ink markers by DirectGlow use high quality semi-permanent invisible ultraviolet ink. Each marker set of 3 comes in blue, red, yellow and has 3 matching UV keychain lights.

Angled chisel tip nib allows for wide marking or fine point application. Works best on textured surfaces like thick paper, fabric, wood, plastics, rubber, and metal. Safe for skin as well. Avoid sensitive areas like eyes and mouth. Allow around 1 minute drying time for full adhesion. Ink is fast drying, nontoxic and nontransferable.

These markers contain security grade ink. It is not washable and cannot simply be wiped off making them ideal for security and covert identification methods. Use them for things such as document marking, admissions control, authentic returns verification, secret messages and more. Also ideal for recreational uses like glow parties, escape rooms, birthdays, holidays, raffle tickets, promotional events or anywhere discreet ultraviolet marking is desired.

Key Features:

• Ink is invisible in normal light and glows in blacklight
• Each marker comes with a color matching UV keychain light
• Security grade ink is fast drying and very tough to remove
• Skin safe when used as directed
• Size- 3.5 inches Long