Titanium Alloy Single Tube Whistle Referee Whistle Outdoor High Camping Picnic Training Gadget Features: 1. Quality titanium alloy material: This whistle is made of titanium alloy, which is sturdy and . Titanium alloy has high strength, resistance and other characteristics, and can adapt to various outdoor environments. Whether it is camping, picnics or training, it can be used for a long time. 2. Single-tube popping sound design: The single-tube makes the sound of the whistle louder and . The high- popping sound can be easily transmitted in the outdoor environment, making you easier to be heard in refereeing, emergency calls or activities, and improving communication efficiency. 3. Portable and compact size: As a small tool, it is small and easy to carry. It can be easily put into a pocket, backpack or hung a keychain, providing you with convenience anytime and anywhere. Whether it is outdoor activities or daily use, it will not be a burden. 4. Multi-function and wide range of uses: It is suitable for a variety of scenarios, such as refereeing work, outdoor camping, picnics, training, etc. In an emergency, it can also be used as a distress signal tool. Its versatility makes it a must-have gadget for outdoor activity enthusiasts and professionals. 5. Fashionable appearance design: It is not practical, but also has a fashionable appearance. The texture of titanium alloy and the shape add a of personality and taste to you. Whether it is used as a tool or a decoration, it can show your unique style. Product details: Name: Outdoor Whistle Material: Titanium Alloy Weight: Net Weight 3.2g Size: 2x0.28 inches Suitable Occasion: Outdoor Packing List: 1x Whistle 1x Rope notes: 1. The size is measured by hand, there is a slight error of 1-3cm, please refer to the actual product 2. Please reconfirm the desired color and style before purchasing. 3. Your sharing and feedback are welcome so that we can provide you with better products and services.