This is a 15ml bottle with no leakage. Can easily be refilled by anyone. It is used in offices, schools, and many other institutes. It is designed in such a way that ink can easily be filled in the marker.

Dry erase ink is dry erasable on glossy surfaces such as glass, melamine and other quoted surfaces. Non erasable on porous surfaces such as paper, card, cloth etc. Good for refilling dry erase whiteboard markers. Safe free from xylene.