Montana Acrylic Markers feature water-based brilliant pigmented, acrylic matte colors that are compatible with and match the colors that are available in the Montana Gold spray paint range. The optimum flow control pump valve system allows accurate handling and application. The extra fine nib is the best choice for fine detail work. The ink is lightfast, waterproof and abrasion-proof allowing application to almost any surface including canvas, wood, metal, walls and glass. The ink is also ideal for brushwork and airbrush. Details: Available in multiple colors 0.7 mm extra fine nib 12 markers Refillable with replacement tips available For interior and exterior use