You get six invisible blue UV markers. Completely invisible in normal light. Glows brightly under UV blacklight. Does NOT glow in the dark!
- You get six blue invisible UV markers
- Quick drying alochol based ink
- Adheres easily to any surface
- Completely invisible in normal light, glows brightly under UV blacklight
- Ink formula designed and manufactured by DirectGlow LLC. Markers purchased from other sellers on this product page may be lower quality and not as pictured.