A whistle is something that every diver or snorkeller should have attached to them when in the water. It is a hard bright orange plastic whistle that can be heard from quite a distance. A safety item that could potentially save your life in an emergency situation. Imagine if you got lost from the group that you were with, be it diving or snorkelling, this whistle can be blown and heard by anyone around so you can get home safe. It is extremely affordable and super small that it can even be placed in to your pocket for an emergency. It features an adjustable string lanyard.