The whistle is an indispensable accessory for sporting events and noisy occasions. Made from robust metal, it is durable and hardwearing. The detachable strap attachment allows you to wear the whistle around your neck and always have it to hand. The whistle produces a loud and clear whistle sound thanks to the ball. Whether you are a sports coach, referee or event organiser, the Idena whistle is a reliable instrument for attracting attention and conveying signals clearly. The compact size makes it convenient to use and easy to store. The whistle can easily be stowed in pockets or sports bags. With the Idena whistle, you can communicate loudly and clearly and attract attention. It is also suitable for safety situations or as a training tool.