Made of high-quality ABS environmentally friendly material, strong pressure resistance, durable, quality assurance. The whistle is loud and crisp, with face and strength, and durable. Suitable for competition referee, traffic command, outdoor adventure, expansion training, and so on. Braided lanyard binding, easy to carry, moderate length. A variety of bright colors to choose from, supports the custom logo. Measuring 1.97*0.83 inches, this custom multi-functional lanyard whistle. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: Lightweight, durable clip, easy to display.