These acid-free, quick drying, clear varnishes are each made from an acrylic base. They work great for art, hobby, crafts and DYI projects. They protect and fix paint onto surfaces like canvas, paper, charcoal drawing, fiber, wood, photos and more. The varnishes work well for both interior and exterior uses, have no yellowing or desaturation and protects against oxidation. They are not compatible with synthetic base lacquers.