Whistles have a loud crisp sound that can be heard at a distance long, enough that you can use it easily and efficiently in any situation, and it's easy to carry around. They can be used for a longer time and always look new. It is suitable for all kinds of noisy and dangerous environment, suitable for camping, hiking, hunting, fishing, boating, and other outdoor activities. It is suitable for people who love tourism and adventure, and can customize the logo. 1.9" L x 0.35" W
