5Pcs Survival Whistle Portable Frequency Whistle High Decibel Rescue Signaling First Aid Tool for Hiking Camping Mountaineering

5PCS--3-Frequency Whistle High Decibel Survival Whistle Portable Safety Emergency Whistle Rescue Signaling First Aid Tool for Hiking Camping Mountaineering Feature: 1. Portable: With hanging chain, the survival whistle is easy to carry. 2. Good Workmanship: Curved corner design, ultrasonic welding, high volume, good workmanship without burrs. 3. 3-Frequency Whistle: The whistle has three holes, and each hole has a different sound. The sound is pleasing to the ears. 4. Outdoor Tool: When traveling outdoors, you can confirm your location, avoid getting lost, find a companion, and provide assistance. 5. Satisfaction Guarantee: We strive to provide each customer with the highest standard of customer service to ensure you have a pleasant shopping experience. If you have any issues, inquiries or need assistance, please feel free to contact us directly. Specification: Product material: PP Product size: Length: about 70 mm/2.76 inch Width: about 27 mm/1.06 inch Thickness: about 7 mm/0.28inch Note: Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! Please allow 1-2cm measuring deviation due to manual measurement.