说明

• Features： Material:ABS rigid plastic Volume:130 dB Description： 1 whistle is fabricated from ABS environmentally friendly plastic materials by wonderful processing, with the advantages of safety, environmental protection, and non-fading 2 whistle has a noisy sound which might completely disguise the group and the natural surroundings murmur three whistle is super-loud, easy to blow, can easily penetrate quite a lot of noisy environments, indoor and outside sound is awfully surprising 4 whistle is made of positive environmental protection materials to protect the teeth, the design of the protecting teeth is easy to use, will not hurt the mouth 5 whistle can be utilized in referee, training, outdoors activities Package included： 1x whistle

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