Seeking plate dies for hot foil stamping, embossing and debossing processes? Then here is the magnesium photoengraving plate material for you. This is 1 side photoresist coated one side Ant acid coated magnesium (available in 4mm or 6.35mm).
Standard size is 610mm x 914mm sheet form (sold singularly or in packs of 5).

Example of Magnesium plate