JaveBall Jave Ball Used for practice. There is yellowing and peeling of the logo. The "Jave Ball" makes a "whoosh" sound when thrown. You can train your "throwing" power while having fun. You can use it in situations such as: * Wanting to improve throwing power in track and field or baseball! * Wanting to have fun throwing in sports tests or physical education classes! * Wanting to be able to throw with a cool form! ◇ Officially adopted for the "Jave Ball Throw" at the National Elementary School Track and Field Exchange Meet ◇ Successor to the Vortex Football ● Manufacturer ● NISHI ● Materials ● Ball part: Foamed polyurethane Whistle: ABS Joint part: EVA Wings: LDPE ● Color ● White/Red ● Size ● Approx. 87 x 320mm (Weight: approx. 140g) JaveBall, a training tool to bring out your throwing power.