Speedball - Photo Emulsion Kit
Speedball Diazo Photo Emulsion Kit is a great, fully explained, introduction to photo emulsion screen printing.
The kit contains:
7fl oz of photo emulsion;
1 fl oz of photo emulsion sensitizer;
8 fl oz of photo emulsion remover; detailed instructions.
Please note, the bottle isn't empty, it contains a small amount (2oz) of paste that needs mixing and activating with water.