4579 Features: -Photo emulsion.-Makes fine line drawings, computer generated images various hand and commercial lettering and photographic half tone positives.-Quart of photo emulsion must be mixed with diazo sensitizer.-Made in USA.-Manufacturer provides 3 year shelf life when unmixed.-Capacity: 780ml Country of Manufacture: -United States.Generic Specifications: -Sensitizer bottle sized to fill 0.75 with cold water and mix well.Dimensions: Overall Height - Top to Bottom: -17cm .Overall Width - Side to Side: -9.5cm .Overall Depth - Front to Back: -9.5cm .Overall Product Weight: -0.9kg.