Introducing the Multi-Functional Outdoor Whistle with Integrated Compass and Thermometer. This 3-in-1 tool is essential for any outdoor adventure. Weighing approximately 20g, it is lightweight and easy to carry. The compact design features a length of about 2.48 inches and a width of about 1.18 inches, making it convenient to attach to your gear or keep in your pocket. Whether you’re hiking, camping, or exploring, this versatile whistle ensures you have essential navigation and safety tools at your fingertips. Made from pvc material, measuring 2.48*1.18 inches, this custom multi-functional outdoor whistle with integrated compass and thermometer. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: Portable, durable, practical for daily use.