This specialty effects painting additive is a thickening gel for water-soluble acrylic paint and acrylic mediums. Lightweight and nontoxic, it dries to a matte surface sheen. Details:8 fl. oz. (237 ml)Nontoxic Lightweight and nontoxicConforms to ASTM D4236; safe for educational useFor use with Liquitex Professional Acrylic Paint colors and mediums