MTN Canvas Varnish - Matte Finish is a spray on non-drip and non-yellowing protective gloss (shiny) varnish formulated to create a barrier and finish to protect your art projects. Montana Colors Acrylic Varnish Matte Finish protects your graffiti art, fine art, and collectibles from smudges, dirt & dust, and some light damage extending the life of your work for years to come.