Our main intention of discussing the different types of balls is to educate you so that you can buy the right product. For example using practice balls on the street will bring you no good but some awful experiences as the ball will not last long. Similarly, an indoor soccer ball is not good to play on a beach. Keep this in mind when buying, and using a ball.
Size 5 is the official size for professional matches. Therefore, this ball is only available in this size. Do not use this soccer ball on concreted areas. Its unique rubber uses Puma Airlock Valve Technology (PAL) in order to facilitate proper airlock technology. This ball features Perimeter Balance Technology (PBT) which enables it to maintain impressive flight characteristics. https://www.youtube.com/watch?v=j2Xn84L3Kcs