Prima Marketing-Art Basics Soft Matte Gel: Transparent. Transparent, flexible, permanent, acrylic medium with a matte finish. Great as a collage adhesive and medium for transfer techniques. Great base for custom gels and paints- mixes with pigments, inks and acrylic paints. Water-based, archival-safe. This package contains one 8.5oz jar of soft matte gel. Conforms to ASTM D4236. Imported.