- Elastic packaging film or otherwise stretch (stretch) is one of the most popular and economical means of packaging. The extremely wide and universal use of stretch film allows this packaging material to be applied in virtually any industry or business field. The main function of STRETCH film packaging is to connect, combine or consolidate several individual packages or boxes into one whole. The widest stretch film is used to secure the load on the pallet (euro pallets). Cardboard boxes or packages stacked on top of each other in several layers become more stable and ensure safe transportation of cargo. The packaging film also perfectly protects packages or boxes from moisture, dirt and external environmental effects during the entire transportation.