Liquitex - Matte Medium. A classic medium used to give fluidity to delicate brushwork or to act as a low sheen adhesive for collage. This medium has a creamy consistency and is great with opaque colors. Mix with Liquitex Gloss Medium & Varnish to create a customized satin effect. This package contains one 4 ounce bottle of matte medium. Conforms to ASTM D4236.