Type: t Colour: Black Interior / Exterior?: Interior & Exterior Base: Water Based Finish: Coverage: Approximately 12 sq.metres/litre Container Size: 1 Litre Rustins 1 Litre Blackboard t - Black | R050004Blackboard Black provides a matt black non-reflective surface for blackboards and photographic work. Create a chalkboard on almost any surface. Suitable for interior and exterior use. Clean brushes in water