CR Foil is special packaging used to reduce the risk of children ingesting dangerous items. This is often accomplished by the use of a special safety cap. It is required by regulation for prescription drugs, over-the- counter medications, pesticides, and household chemicals. In some jurisdictions, unit packaging such as blister packs is also regulated for child safety. Child resistant Aluminum foil, either Paper base or PVC base used in blister pack in Europe for packing of Generic Medicines.