DecouPage Medium 75ml Daler Rowney Decoupage Medium formerly Craft Seal is specially formulated as a clear gloss medium with adhesive properties for paper mache, collage and decoupage or as a final water resistant sealant for all manner of craft works including stone, wood, card and paper. \tIt can also be added to System 3 poster and powder colour to give greater flexibility and increase gloss and transparency. \tIt is not removable when dry and its milky colour dries clear. \tUse it on wood, texture, and different porous surfaces. It dries clear and holds your stuck on paper cuts tight.