Marvy Bistro Water-based Chalk Marker - Marker Point Style: Point - Marker Point Size: 6mm - Ink Color: White - 1 / Each Use Bistro Chalk Markers on chalkboards, dry-erase boards, light boards, windows and windshields. Opaque, water-based, pigmented formula is erasable with a damp cloth. Packaged Quantity: 1 / EachInk Type: Water BasedProduct Family: Bistro