Introduction 2. Definitions of different packaging levels ⚫ Primary package: The first wrap or containment of the product that directly holds the product for sale. ⚫ Secondary package: A wrap or containment of the primary package. ⚫ Distribution package(shipper): A wrap or containment whose prime purpose is to protect the product during distribution and to provide for efficient handling. ⚫ Unit load: A number of distribution packages bound together and unitized into a single entity for purposes of mechanical handling, storage, and shipping.Introduction 2. Definitions of different packaging levels ⚫ Primary package: The first wrap or containment of the product that directly holds the product for sale. ⚫ Secondary package: A wrap or containment of the primary package. ⚫ Distribution package(shipper): A wrap or containment whose prime purpose is to protect the product during distribution and to provide for efficient handling. ⚫ Unit load: A number of distribution packages bound together and unitized into a single entity for purposes of mechanical handling, storage, and shipping