High quality and durable brass material with polished finish. Ingenious airflow design make it easy to whistle and make a loud, clear and melodious sound for communicating outdoors in a survival situation. Can be used in all-environment all-weather, rainy day, humid weather. Small size with a ring on the top, so you could put it on your keychain and take it everywhere you go. Ideal for many outdoor activities, such as camping, hiking, hunting, fishing, boating, swimming and also training, basketball, etc. Add an laser engraved of your company name or logo before your next promotional event for great brand exposure for your business. Perfect giveaway items idea.
