Product Name: Non-nuclear Dolphin Whistle
Single product net weight: 38g (including accessories)
Volume: about 130 decibels
Size: 6.2*2.8*1.8cm
Material: ABS hard plastic
Application: basketball, football and other ball sports, physical education, training, outdoor activities
Features: no ball, imitate dolphin shape, loud noise, strong penetration
Color: black/blue/Grey/light blue

product composition:
1 whistle + 1 lanyard + 2 mouthguard + 1 suitcase