TONIFE Boble Whistle Tube Emergency with Ball Chain, Survival Stainless Steel (Black)

HIGH QUALITY WHISTLE - This emergency whistle is made of high quality 304 stainless steel to ensure its durability and safety. In addition, it has excellent airflow design. Longer service life. ADVANTAGES OF EMERGENCY WHISTLE - The double tube design is noisy, with a volume of up to 120dB, and the sound spreads further. COMPACT AND LIGHTWEIGHT - The whistle is compact and weighs 16g, making it easy to carry with keys and in your pocket, and includes a carabiner. The included ball chain allows the whistle to be worn around your neck like a necklace. MULTIPURPOSE SURVIVAL WHISTLE - This survival whistle is ideal for outdoor activities. Suitable for camping, hiking, boating, refereeing, training, sports, lifeguard, survival in nature and various other activities. GOOD GIFT - The stainless steel whistle can be a gift for outdoor enthusiasts, referees or teachers.