Edding 8280 Securitas UV Marker Clear (Pack of 10) 4 8280100

Amazon

For labelling on almost all materials, the ink can only be seen under UV light The pack contains 10 colourless securitas uv marker For creating hidden markings and secret messages on almost any surface, including wood, glass, metal and plastic Ideal for museums and to deter theft, wherever invisible marking is needed The ink is waterproof and wear-resistant with a quick drying time

Euroffice

Edding 8280 Securitas UV Marker Clear (Pack of 10) 4-8280100. UV marker pen for multiple uses. Quick-drying, water-proof and wear-resistant ink. For creating hidden markings and secret messages on most surfaces, including: wood, glass, metal and plastic.