说明

• Description These multi-function whistles are made of premium plastic material, which are reasonable and sturdy You can use it yourself or percentage it with your families and peers with ample portions Suitable for all weather use, bloodless or rainy and may be your good accent Features -Material: Plastic -Size: 4 -Loud sound can be heard from a long way distance Perfect for lifeguard, self-defense and emergency -Lightweight with a convenient lanyard, it may be very convenient to hold and use -Made of high-class material, portable, convenient, practical and sturdy for use -It&;s compatible for referees, instructors, training, instructors, sports, teachers, lifeguards

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