FORZA Zenvo Rugby Training Ball &ndash; The Perfect Ball For Any Training Session [Net World Sports] These professional rugby balls are perfect for using during matches, they are guaranteed to perfrom in the demanding pressures of match play. The FORZA Zenvo has a tough rubberised outer skin which is water resistant to offer the players the best grip of the ball. The inner bladder is super strong and deigned to handle strong impact which occurs during competitive matches. Designed to be used in rugby league and rugby union matches. Available individually, in packs of 5 and 20.