ACME's Samba whistle, offering a variety of sounds. - Brand: ACME - Model Name: Samba whistle Quite loud. A highly reliable whistle that can be used for emergencies. If only the contents are shipped, they can be sent via Yu-packet Post Mini, and we will offer a 100 yen discount if you comment. Can be used as a rescue whistle, allowing you to clearly signal your location even in lively places like festivals.