These Staedtler 350 Permanent Markers contain permanent ink which is smudge proof and waterproof once dry. You can use the markers to write on a variety of surfaces including cardboard, plastic, glass...

This universal pen has the ability to write on almost any surface, including glass, metal, plastic, fabric and OHP. The STAEDTLER Lumocolor 318 has a medium tip, which creates a line width of roughly ...