5Pcs Referee Metal Stainless Steel Whistles

A. Lightweight and equipped with a key ring for easy portability;

B. The gauge is larger and the whistle is louder;

C. Aluminum alloy material, the surface adopts technology

D. Manufacture of food hygiene grade stainless steel

Anodic oxidation for color, does not fade and has a longer service life.

[Applicable environment]: ask for advice, training, competition, pigeon racing, outdoor climbing, caving, night fishing, daily transportation, gift.

Grades:

Due to the light and screen setting difference, the item's color may be slightly different from the pictures.

Please allow a slight dimension difference due to different manual measurements.

Package includes: 1 * whistle