Molotow ONE4ALL Acrylic Paint Marker, 4mm, Future Green, 1 Each (227.222) High-covering, premium acrylic-based pigment paint in an easy-to-handle marker that works on almost every surface, both indoors and outdoors Flowmaster pump marker system has patented capillary technology Acrylic-based hybrid paint is UV and weather-resistant for highest opacity Solvent-free and dilutable with water or acetone Tips are exchangeable and marker is refillable