Compact & ready for adventure ,this 3 in 1 whistle tool is equipped with an emergency whistle, a liquid-filled compass and a split ring for carry on just about anything. Loud blow of whistle will bring someone to the rescue when you need it or scare off any wild animals getting too close. Liquid- filled compass just in case wonder off for too long and need to get your bearings on which was to get back. Split-ring to attach to any loop. Comes bulk packed in Assorted Colors unless buying in solid box. Solid box contains 36 individual pcs.