Emergency Whistle 30PC Whistles with Lanyard for Life Jackets Lifeboats Fishing Boats Camping Hiking Hunting(Orange)

Quantity: 30PcsNote:1.There is 2-3% difference according to manual measurement. Please check the size carefully before you buy the item.2.Please note that slight color difference should be acceptable due to the light and screen.3.( Unit Conversion:1 inch = 2.54 cm,1 cm = 0.39 inch ).

• Whistle slip design. You don't need to hold it with your hands, and you don't have to worry about the airflow blowing the whistle out
• Dual band design. The left and right sides have different sizes of sound chambers, which simultaneously produce high and low frequency sound, ensuring penetration in different environments and conditions
• Integrated design, sturdy and reliable
• It's effortless to make a sound. When seeking survival or help, pay attention to preserving your physical strength. A good survival whistle can easily make a sound. Some products on the market may sound loud, but they are not easy to produce sound
• Also clip the whistle to your belt or shoulder straps for quick and easy use in case of emergency.