The Fox 40 Sonik Blast CMG Whistle in Black is a lightweight safety whistle made of plastic, designed for outdoor activities such as camping. With a decibel output of 120 dB and a cushioned mouthpiece for comfortable use, this whistle is perfect for signaling in emergencies or for attracting attention in various outdoor settings. It has a two-chamber design and is pealess, ensuring a reliable and durable whistle for any outdoor adventure.