The Diazo Photo Emulsion process makes possible the printing of fine line drawings, various hand and commercial lettering techniques, as well as photographic half-tone positives. Diazo is Speedball's best photo emulsion, producing sharp, high quality images. Use polyester or other suitable synthetic fabric screens in order to reclaim your screen. * Note: Sensitized emulsion can be stored up to 4 months when refrigerated. Contains: 6.6oz. bottle of Photo Emulsion, 1oz bottle of sensitizer, 8oz. Photo Emulsion Remover and instruction booklet. Coats approximately ten 11" x 14" sized screens.