Made From High-quality Aluminum, Its Lightweight Yet Strong, Ensuring Long-lasting Use. the Whistle Produces a Loud, Clear Transparent Sound That Can be Heard From a Distance, Making It Ideal for Outdoor Activities, Sports Events, or Personal Safety. Attached to a Convenient Keyring Chain Ring, Its Easy to Carry & Access When Needed. Whether Youre Hiking, Camping, or Just Out for a Walk, This Whistle is a Reliable Companion to Keep You Safe.