Hamans Emergency Whistles Titanium EDC Portable Whistle with Loud Sound up to 120 Decibels, Survival Whistle Keychain for Survival Hiking Camping Pet Training

Titanium Alloy Double Tube Whistle Key Features: 1. Double-loud design whistle. 2. Dual tube burst design, high decibel sound, high-frequency penetration, wide coverage, up to 120dB. 3. Lightweight and convenient. 4. Titanium alloy material, lightweight, corrosion-resistant, coexisting beauty and texture. 5. Multi purpose and usable, outdoor travel, team training, danger warning, etc. 6. The corners are designed with small chamfers, with a delicate texture and rounded edges for a good grip. 7. Integrated molding, no ball design, allowing for sound when entering water or dust.