are tough and highly durable balls for extended use. Made of robust materials for use on all playing surfaces and used by players at any level. Practice balls are the least expensive balls when compared with match type soccer balls. Turf Balls are specifically designed to work on artificial surfaces that mimic grass. They are durable and reasonably affordable, but tend to skip more when used on a natural pitch. Promotional Balls are usually made to promote a name brand, organization or event. Indoor Footballs come in the same sizes as the outdoor soccer balls, but are designed to have less bounce and rebound in them, making it possible to control the ball on a smaller court or indoor arena. The cover of an indoor ball is also the strongest of any category, so it can withstand the hard rebound impact on the court flooring and wall surfaces. Futsal Footballs differ from typical soccer balls in that the bladder is filled with foam. That makes the ball heavier and with less bounce for use on the hard futsal playing surface. A futsal soccer ball is smaller in size than a football used on the soccer field. Suppliers Many companies throughout the world produce footballs. The earliest balls were made by local suppliers where the game was played. It is estimated that 40% of all footballs are made in Sialkot, Pakistan with other major producers being China and India. As a response to the problems with the balls in the 1962 FIFA World Cup, Adidas created the Adidas Santiago – this led to Adidas winning the contract to supply the match balls for all official FIFA and UEFA matches, which they have held since the 1970s, and also for the Olympic Games. They also supply the ball for the UEFA Champions League which is called the Adidas Finale. FIFA World Cup In early FIFA World Cups, match balls were mostly provided by the hosts from local suppliers. Records indicate a variety of models being used within individual tournaments and even, on some occasions, individual games. Over time, FIFA took more control over the choice of ball used. Since 1970 Adidas have supplied official match balls(Which all were made in Sialkot, Pakistan) for every tournament. League balls The most up-to-date balls used in various club football competitions as of 2022–23 season are: Unicode The association football symbol () was introduced by computing