Super Loud Survival Whistle---This whistle adopts two sound chambers and can quickly reach 120 decibels. The sound is super loud and stable, so people can hear you no matter where you are.Excellent Water Whistle---The whistle has no ball, which means there are no moving parts. The unique design makes our whistle float on the water. Most whistles on the market will not float when wet, nor will they make normal sounds. With our floating whistle, you will feel more confident.Easy to Use---The design of the lanyard and back clip makes it easier to use. You can clip it on your pocket or wear it around your neck to free up your hands. The reflective tape allows you to be seen even in the dark. Made of impact-resistant ABS, it can be used for many years.Wide Application---You can use our whistle as a boat whistle, swimming whistle, kayaking whistle, surfing whistle, hiking whistle, water survival whistle, mountaineering whistle, camping whistle and other outdoor sports whistles.Worry-free Purchase---You will receive 2 whistles with lanyards. If you have any questions, please feel free to contact us, our customer service will reply you within 12 hours.