Features: 1. Powerful and piercing sound can alert anyone at a long distance and provide help quickly. 2. Loud safety whistle is nice for camping, hiking, fishing, boating any kind of outdoor and sports activities, even dog training in all-environment & all-weather. 3. Equipped with lanyard, it is convenient for you to hang it on your bags. Due to its lightweight and slim design, it can be placed completely flat in your pocket. 4. Our whistle will not crack or freeze under harsh conditions. Besides it has three holes that can create 3 different sounds. 5. Ideal for many outdoor activities, such as camping, hiking, training, basketball, etc. It's also used for communication with companion in remote areas, calling for help in emergency. Notice: *Actual color may be slightly different from the image due to different monitor and light effect *Please allow 1-3cm deviation due to manual measurement Description: Length: 70 mm Width: 27 mm Thickness: 7mm Package List: 1 pcs x Emergency Whistle Keychain