ABS Professional Football Basketball Volleyball Competition Training Sports Referee Whistle Outdoor Tool Supply

Made of high resistant ABS plastic, 100 moistureproof, and service life. No moving parts, no blocking of sound, no blocking, cracking or freezing. Excellent high definition shockwaves can travel distances. Condition: 100 Brand New Item Type: Whistle Material: ABS Optional Color: Black Gold, Black Silver Weight: Approx. 141g Size: Approx.  6x2cm/2.36x0.79inch