Double Tube Stainless Steel Emergency Whistle - 120dB High Frequency

• Type: 1x Double Tube Stainless Steel High Frequency Whistle with a snap buckle, can be easily hang on your backpack, belt, keychain etc.
• Made from food grade stainless steel, simple and special design, exquisite craft, smooth surface, anti-rust, never fade, sturdy and durable.
• High Decible: Double tube design, chord resonance tone, easy to blow with loud voice, up to 120 dB high frequency, the volume of double tube whistle sounds greater than blowing 2 whistles at the same time.
• Purpose: A good item for SOS, self-defense, competition etc. Mini size, light weight, convenient to carry. No bead inside, can be blew even in the water.
• Application: Suitable for wilderness survival, outdoor sports, camping, hunting, training, physical exercise, life-saving, women's self-defense and so on.

Feature:
Type: Double Tube Whistle
Color: Silver
Material: 304 Stainless Steel
Size: 19.5x56mm
Thickness: 7mm
Weight: 20g
Volume: Up to 120 Decibel
Quantity: 1pc

Made from food grade stainless steel, simple and special design, exquisite craft, smooth surface, anti-rust, never fade, sturdy and durable.

High Decible: Double tube design, chord resonance tone, easy to blow with loud voice, up to 120 dB high frequency, the volume of double tube whistle sounds greater than blowing 2 whistles at the same time.

Purpose: A good item for SOS, self-defense, competition etc. Mini size, light weight, convenient to carry. No bead inside, can be blew even in the water.

Application: Suitable for wilderness survival, outdoor sports, camping, hunting, training, physical exercise, life-saving, women's self-defense and so on.