GB09 Outdoor Loudest Emergency Survival Whistles with Hanging Keyring for Camping Hiking Sports Dog Training - Silver

• Made of quality stainless steel, with great hardness and strength, not easy to rust, durable for use
• Double-pipe whistle tube design, featuring balanced, high-frequency, easy to sound when blowing lightly, the decibel can be as high as 150 decibels in an instant
• The rivets is used to fix up and looks stylish
• With keyring design, the whistle is small, lightweight and easy to carry 
• It can play its popping function even in harsh environments

Specification:

• Product material: 3CR13+304 stainless steel
• Item model number: GB009
• Product size: 5.8*1.8cm
• Product weight: 0.024kg
• Usage: outdoor, home, travel, etc.