Duweike Whistle Professional Referee Whistle for Basketball And Soccer Games, Training, And Physical Education Teachers

Ballless design for strong penetration

Clear and loud sound quality

ABS food-grade safe and durable material

Washable and replaceable tooth guard for safety and hygiene

Portable design with adjustable lanyard to prevent loss

Small size with high decibel rate

Hygienic material with strong penetration

Easy to blow with clear sound

Attractive design without ball

Long-lasting and color-fade resistant ABS material

Resounded through easily with strong penetration

Multiple colors available

High decibel rate for clear sound in noisy environments

Easy to blow with high penetration

Attractive design without ball for hygiene

Washable tooth guard for safety and hygiene

Portable design with adjustable lanyard

The specifications are based on the provided information.