Features:
Designed for maximum volume output, these extra-loud safety whistles are perfect for emergency situations while hiking, camping, or in an urban setting. The piercing sound can be heard from a distance, ensuring a quick response in critical situations.
Made from premium aluminum alloy, these emergency whistles offer exceptional durability and resistance to abrasion. Waterproofing ensures these whistles work well in wet conditions, making them perfect for water sports, marine activities, and rainy days. Durable materials and design ensure performance even in inclement weather.

Specifications:
Material: Aluminum Alloy
Color: Red, Yellow, Silver, Purple, Green, Black, Blue, Dark Blue
Product Size: Length 4.7cm/1.85in
Packing List:
200 Emergency Whistles (8 Colors, 25 Each)

Note：
1. Please allow slight differences due to manual measurement.
2. Due to light and screen difference, the item color may be slightly different from the pictures. Please understand.