The Highlander Emergency Clip-On Marine Whistle becomes a fabulous aid for all travellers while exploring the world. An essential part of any survival kit this tough \'Perry\' type marine whistle has a bright shade which can be located even in low visibility. It has an attachment clip so you carry it on your rucksack. Being lightweight and tough it will be a big help in your survival kit. It is 7.5cm in length with 2cm width and 2cm depth., Tough \'Perry\' type marine whistle. Essential part of any survival pack., Easy to locate in low visibility situations due to bright colour. Attachment clip and lanyard loop (lanyard not included)., Lightweight and tough. Size: 7.5cm (Length)., Dimensions: 7.5cm x 2cm x 2cm.,