Made from durable ABS plastic, the pea-less and powerful UST JetScream Floating Whistle is an ideal wilderness signaling device, delivering an ear-piercing 122 decibel (dB) shriek one of the loudest whistles available. It is designed to be heard over most natural and man-made noises, ensuring you can attract attention when needed. Compact, flat and buoyant, the JetScream whistle is easy-to carry and floats on water, making it perfect for outdoor adventures. Its pea-less construction means it won't freeze, clog or rust and it remains just as effective when wet, providing reliable performance in any condition.