- Dina Wakley’s Media Gel Medium is a soft gel with a matte finish. Media Gel Medium is ideal for extending acrylic paints and can be used to dilute paint without breaking down the pigments. It can also be used as a heavy-duty adhesive for decoupage and mixed media techniques and transfers. Acid free, non-toxic. Archival, non-yellowing, dries clear. Available in 2oz tubes and 4oz jars; prices vary.