Profile: AG Poly Packs is a manufacturers, Suppliers and Exporters of Plastic Packaging. Hot foil stamping is basically a printing process which is done over hot foil. In this hot foil stamping metallic foil is used, it can either be of gold or silver. In this Hot Foil Stamping heated die is pressed onto the foil which leaves the surface with design of the die on substrate. The substrate used in it can be a pastel foil having various patterns or flat, opaque or colored or white special film-backed material.