Plastic Professional Referee Soccer Training Basketball Game Volleyball Whistles For TeachersFeature:1. Suitable for outdoor survival, life-saving, sports activities and basketball or soccer games.2. ABS environmental protection materials and polymer materials, health, environmental protection.3. Lightweight and portable, easy to carry and use.4. The seedless whistle is designed to make it easy to use with an excellent penetration sound. Specification:Main Material: ABS Shell: Black Silver, Black Gold Size: 60x30x2 0mm/2.36x1.18x0, 79'' Net Weight: 40gNote:1. Due to the different monitor and light effect, the actual color of the item may be slightly different from the color showed on the pictures. Thank you!2. Please allow 1-3mm measurement deviation due to manual measurement. 1 x Whistle1 x Lanyard1 x Mouthpiece1 x Clip1 x Box 1.