Glass Board Marker With 1-3 Mm Round Tip For The Design Of Glass Boards And Of Most Glass Surfaces. Wallet With 6 Pieces: Black, White, Yellow, Green, Blue, Pink. The Ink Has High Covering Capacity, Is Light-Resistant And Can Be Wiped Dry. The Glass Board Marker Isequipped With Brilliant And Luminous Colors And Has A Valve-Controlled Ink Flow.