This gloss varnish can be used to seal and protect Montana Acrylic artwork for longevity, to enhance effects and to intensify the visual impact of final artwork. Each marker is refillable and the interchangeable nibs can be replaced with the existing Montana Acrylic Marker replacement nibs. The varnish can be applied to dry surfaces in a variety of ways including marker, brush and airbrush. It's ideal for creating depth to background/foreground work and manipulating the play of light on artwork.Details: Available in multiple sizes Gloss finish Refilable