The whistle is portable in size and weight, the end have a annulus to suspend, simple to storage. Remove anti-loss tight grip cover, comfortable to hold. Metal material whistle, high hardness, anti-rust, no odor. Features: Portable in size and weight, convenient to carry and use. The end have a annulus to suspend, easy to carry and storage. Remove anti-loss tight grip cover, comfortable to hold. Metal material whistle, high hardness, anti-rust, no odor. Adjustable volume, ultrasonic, long transmission distance. Specifications: Material: Lastics + Metal Color: Black, White, Pink, Red, Green, Orange, Blue, Purple (optional) Package Weight: 15g / 0.53ounces Package Size: 80 * 9 * 9mm / 3.15 * 0.35 * 0.35in Packing List: 1 * Whistle
