Prima Art Basics 3D Matte Gel: Transparent. Transparent, flexible, permanent, heavy body acrylic medium with a matte finish. Adds body to paints; mixes with pigments, inks and paints; helps create dimensional texture on your projects. Perfect for 3D collage, embellishment adhesive, or base for thick. Custom gels and paints. Water-based, archival-safe. Non-toxic. This package contains one 8oz jar of matte gel. Conforms to ASTM D 4236. Made in USA.