Eco-friendly: Crafted from ABS plastic, this camping survival whistle is made with environmentally friendly materials that prioritize health and sustainability. Compact: With dimensions of this training referee whistle is and easy to carry wherever you go. Its compact size ensures convenience during transportation and usage. Powerful Sound Projection: Designed with a no-ball design, this basketball referee whistle offers exceptional sound penetration. Blow the whistle effortlessly, and let the powerful sound carry across or court, ensuring clear communication. Reliable Survival Tool: Apart from its sports applications, this emergency lifesaving whistle also serves as a reliable survival tool. Whether in emergency situations or outdoor adventures, it can be used to attract attention or signal for help. Versatile Sports Whistle: This soccer referee whistle is perfect for football, basketball, and volleyball. It's a must-have accessory for outdoor survival, rescue operations, sports training, and game officiating. Colour:As Shown Material:ABS Size:6x2x2cm Package Contents: 1 * whistle 1 * finger clip 1 * safety lanyard 1 * storage box 1 * mouth guard Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.