Product Material: Stainless steelSize: 5 7 * 1 8 * 0 8 cmDecibels: 150 decibelsColor: black+silver, black+gold, silver+colorQuantity: 2 pcsPackage content: 2 pcs * SOS whistle1 High Decibel Pronunciation: This stainless steel pipe has a double tube design The oblique and roundedwhistle can improve the efficiency of the whistle The volume is 150 decibels and loud noisescan be heard from a great distance In an emergency, you can quickly grab the crowd's attention anytime,anywhere 2 Stainless Steel Material: This metal pipe is made of food grade 430 stainless steel, which can be placed in themouth directly, which is safe and environmentally friendly The pipeline sound cavity is notafraid of dust and water, is not easy to rust, and can be used normally even in harsh environments 3 With key ring: This high decibel whistle also comes with a key ring You can attach it to a lanyard or key to carrywith you The appearance is also very stylish and individual and combines beautyand function 4 Stable riveting process: The rivet on the pipe not only looks beautiful, but also makes the pipe morestable and stronger overall, so that it has a longer service life and higher costperformance 5 Wide range of uses: The whistle is suitable for survival and emergency situations such as camping,hiking, boating, hunting, fishing and outdoor activities It can also be used for coach, referee,sport and herd training, bird or dog training, and can also be used as a decoration when not in use