This is a black safety whistle with red floating lanyard and clip. Audible signal device is required on boats and personal watercraft in most states. High pitch pea less whistle works when wet or dry. Clip can be connect to life jacket or safety lanyard in any emergency. It is also designed to alert other boaters to your presence or to signal help, but can be used for hiking, camping, sporting events, water sports, and etc. - Blows wet or dry. - Small size stows away easily. - Whistle floats. - Clip for easy access. - Lightweight. - Material: Plastic. - Length: 21cm . - Colour: Red, black. - Brand: Pactrade Marine. Item# PM158311.