Whistle - ACME Thunderer 477/660 + FingerGrip (117dB) CQ

Features
Ideal for officials in sports, teaching, animal training, police authorities, military units, and music specialists.
Made from BPA-free plastic to food-grade standards
Adjustable Fingergrip fits securely on fingers
Made in UK

Specification
Design : Airfast™ pealess
Decibels : 117dB
Weight : 7 gram
Dimensions : 5 x 1.8 x 2 cm
Only available in black color