Features: 12pcs Plastic Whistles Features for team identification, these light weight, durability sports whistles deliver a piercing sound ideal for coaches, referees, and outdoor enthusiasts across various athletic event. Constructed with shatter resistant plastic and waterproof properties, each whistles maintains consistent performances in rain or impacts situations while meeting safety standards for all ages. Essential gear for sport coaches, teachers, and event organizers needing reliability auditory signals during games, practices, or crowd management scenarios. Optimized for stadiums, playgrounds, and wilderness adventures where crisps sound projection over long distances ensures effective communication in noisy environments. The nontoxic, compliant design combines ergonomic comfortable with high visibility colors, making these whistles indispensable for school event, safety drills, and competitive sports requiring instants audibles coordination. Specifications: Color:Seven Choices Dimension:12×4.8cm/4.72×1.89in Component:plastomer Package Includes: 12pcs Plastic whistles note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you will not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual color.