Footballs are an indispensable item in the global value chain of the beautiful game.  Manufacturing, distributing and selling the balls is a complex international business.It is difficult to pinpoint where in the world a ball is actually made because the sourcing of raw materials, the design and the production happen in different countries. But one thing is certain: WTO agreements play an important role in easing trade in footballs.WTO experts Roy Santana, Michael Roberts and Úna Flanagan trace the global value chain of footballs from the Servette Football Club in Geneva via Herzogenaurach, Germany to Sialkot, Pakistan. Stopovers in Uganda and Uruguay show how international standards ease trade.We talked to:Philippe Senderos, Sporting Director of Servette FC, GenevaQasim Malik, Vice President of the Sialkot Chamber of Commerce, PakistanNouman Butt, CEO of Capital Sports, Sialkot, PakistanGerardo Cal, Guide at the Estadio Centenario Football Museum in Montevideo, UruguayRobbert de Kock, President and CEO of the World Federation of the Sporting Goods Industry, SwitzerlandGeorge Opiyo, TBT National Enquiry Point, Uganda National Bureau of StandardsOliver Hundacker, Senior Director of product operations at Adidas, GermanySpecial thanks to Arshad Nawaz, Intern at the WTO Institute for Training and Technical Cooperation (ITTC)Links:One match, two balls. The 1930 World Cup in Uruguay featured two footballs with different designs in the final match:Photo of the ball team Argentina used in the first half of the final of the 1930 World Cup in UruguayPhoto of the ball team Uruguay used in the second half of the final of the 1930 World Cup in UruguayLearn more about rules of origin:Rules of origin explainedLearn more about Technical Barriers to Trade (TBT):Technical barriers to trade explainedVideo "Let's Talk Product Quality"Learn more about tariffs:Tariffs explainedVideo "Let's Talk Tariffs"