European Federation of Multiwall Paper Sack Manufacturers. The Federation represents over 75% of European paper sack manufacturers. Its members operate in over 20 different countries. They produce more than 5 billion paper sacks per year, representing 650,000 tonnes of paper converted in 60 plants. Sack and bag manufacturers from all continents contribute to the federation as corresponding members, with suppliers (paper, film, machine, or adhesives manufacturers) being registered as associate members. The Federation conducts research studies and communicates on the advantages of paper sacks. It is in charge of lobbying activities and further provides a forum for its members to define common positions and a place of exchange for skills and knowledge.