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

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