Titanium Outdoor Emergency Whistle 150 Decibels EDC Necklace Lanyard Whistle for Outdoor Hiking Camping Features: 100% brand new and high quality. Made of Titanium, precision-machined,resistant to corrosion, non-toxic, non-allergenic, lightweight and durable. Emergency whistle can provide up to 150 decibels, enough to be heard at long distance. Can be hung around the neck, easy to carry. Can be used in all-environment all-weather, rainy day, humid weather. Loud safety whistle for camping, hiking, hunting, fishing, boating any kind of outdoor activities, also for dog training. Specification: Color: metal color Material: titanium alloy A(single tube) Size: 5499mm/2.13"0.35"0.35" Weight: about 10g B(double tubes) Size: 54219mm/2.13"0.83"0.35" Weight: about 27g Note: Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 Titanium Emergency Whistle