These pre-treated Cyanotype Fabrics make cyanotype printing easier than ever before. Simply expose the fabric to sunlight or UV (3-15 minutes, depending on conditions), placing objects or a film negative on top to create an image. After exposure, prints are processed in a tray of cool water and allowed to air dry. Great for photographers, mixed media artists, printmakers, quilters, kids and more, the cyanotype process is easy, forgiving, quick, magical and fun. Capture the nuance of every shadow—a fun group activity for any age!