The Size 2 KAP7 HydroGrip Water Polo Ball is the Official Ball Size for 10 and Under Co-Ed Water Polo. This limited run collectors edition is from the 2024 LEN European Championships. KAP7 has quickly become the go-to choice for amateur and elite water polo players alike. KAP7 has tapped into years of experience, proprietary technology, and the highest quality materials to develop the HydroGrip Ball. It is the best and longest lasting ball in the world. The HydroGrip has been designed to meet guidelines for local, national, and global specifications. Features: Official Ball for 10 and Under Co-Ed Water Polo Water reactant grip for control Hand buffed for added grip Precision wound nylon carcass