Made from 100% acrylic polymer emulsions, form durable, permanent films when dry. They have excellent flexibility and resistance to chemicals, water, abrasion and ultraviolet radiation and can be used to provide lasting protection for artwork.
Liquitex - Matte Fluid Medium - 4 oz.
The Matte Multi Medium is just right for your mixed media projects and is acid-free and non-toxic. This artist-quality acrylic gel medium can be used
Multi Medium Matte
Utrecht Artists' Acrylic Fluid Medium - Matte Medium, 16 oz
Liquitex Professional Matte Medium, 118ml (4-oz) : Everything Else
Golden - Matte Medium - 16 oz.
Art Supplies – Mixed Media Girl
Mixed Media Girl Pouring Medium
Liquitex Professional Matte Medium, 946ml (32-oz) : Everything Else
Acrylic Medium - The Oil Paint Store