plastic; build: made from durable plastic, it is designed to last and resist damage over time, warning whistle, multi-functional survival emergency whistle; Sturdy construction: crafted from durable plastic, this whistle is built to withstand harsh conditions and longterm use, whistles for emergency, whistle; Compact size: its lightweight design makes it easy to carry in your pocket or backpack during outdoor excursions, outdoor survival rescue emergency whistle, camping whistle; Emergency whistle: designed for use in critical situations like earthquake relief, serving as both an emergency and lifesaving whistle, plastic emergency whistle, hiking gear whistle; Long distance sound: capable of emitting a sound that travels far, ensuring you can be heard by rescue teams in emergencies, loud safety whistle, sports emergency whistle

What's in the box
1 x Key Holders