Ranger-Dina Wakley Media Gel Medium Tube: Matte Finish. Soft gel matte medium ideal for extending acrylic paints and can be used to dilute paint without breaking down the pigments! Use as a flexible and heavy-duty adhesive as well as a sealant. This package contains one 2oz tube of gel medium. Acid free. Non-toxic. Conforms to ASTM D 4236. Made in USA.