Eco-friendly: Crafted from ABS, this camping survival whistle is made with environmentally friendly materials that prioritize health and sustainability. Compact: this training referee whistle is lightweight 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 the field 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. size: 6 x 2 x 2cm Material: ABS colour: As Shown Package Contents: 1 x whistle 1 x finger clip 1 x safety lanyard 1 x storage box 1 x 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.