The Lifesystems Mountain Lite Whistle is made from Lexan Polycarbonate, this whistle is a useful piece of signalling kit for people in the outdoors. The whistle can be used in sub-zero conditions & is extremely lightweight. Features Loudness: 100d B Dimensions: 12 x 12 x 60mm Weight: 5g
Material: Lexan Polycarbonate Keyring attachment