Product name:whistle Product size about :5.2x2.2x2cm 2.05 inches x 0.87 inches x 0.79 inches. Product color: As shown in the picture Product material:plastic product features: 1. Premium Quality Material Crafted from , high-quality materials, this whistle ensures long-lasting use. Its made to withstand wear and tear, making it perfect for various environments like sports, outdoor activities, or emergency situations. 2. Loud and Clear Sound Designed to produce a loud, piercing sound that can be heard from a distance. Whether youre using it for sports events, emergencies, or signaling in the wilderness, it guarantees to get attention quickly and effectively. 3. Compact and Lightweight This whistle is small, lightweight, and easy to carry. Its portable size allows you to keep it handy in your pocket, bag, or around your neck for quick access whenever you need it. 4. Multi-Purpose Use Ideal for a variety of activities such as sports, hiking, camping, outdoor, or safety purposes. It can also be used for signaling, crowd control, training, or as a personal safety device. 5. Ergonomic and Comfortable Design Designed for ease of use with an ergonomic grip, ensuring comfort during extended use. The smooth and practical design make it easy to blow and control, even in demanding conditions. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes:1*whistle