Ensure your paint projects end up with the greatest results with Sax True Flow Acrylic Medium. This high-gloss sealant is to be used to mix with acrylics or other materials like tempera or watercolor. Restores and protects your artwork from chipping, fading, or discoloration. Dries clear. Comes in a 1 gallon container. AP certified. Non-toxic. Freeze/Thaw stable.