Cyanotype is the original sun-printing process, one of the earliest photographic techniques. Harness the power of the sun to make detailed prints from virtually any object that casts a shadow. Simply place the object on the sensitized surface and expose to sunlight (UV). Use a digitally-printed photographic negative instead of an object to create full-resolution photographs on paper or fabric. Great for photographers, mixed media artists, printmakers, quilters, kids and more, the cyanotype process is easy, forgiving, quick, magical and fun. This package contains one 16oz bottle of Potassium Ferricyanide. Made in the USA.