Plastic sheets that are easily decorated. Plastic shrinks to 40% in size when heated in household oven. Protection film is to be removed before use. The shrink sheets are easily decorated with Poster Hobby Markers, glass & porcelain markers, Uni Posca Markers or permanent markers. You can draw freehand or trace a design through the plastic. Cut with scissors or use a punch. Pack of 10 sheets, each sheet measures approx 20cm x 30 cm.