Description: Modern Design: Collectible craftsmanship and delicate texture, whistle is beautiful and charming. High Decibels Whistle : This Double Tubes whistle, high frequency , can reach to 120dB sound, loud enough for long distance. High Quality Material: This high frequency emergency survival whistle is made of premium Titanium alloy, durable and practical. Easy to Carry: This outdoor whistle is lightweight and easy carrying. Wide Applications: The high decibel whistle is widely suitable for hiking, camping, traveling, pet training , sports, boating, etc. Specification: Material:Titanium alloy Color: Silver Size Chart: 4cmx2cm/1.57inchx0.79inch Package Includes: 1 Whistle Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful online shopping!