Our 3/4" black plastic whistle buckle has a side release for quick removal and contains a built-in signal whistle for attracting attention in emergency situations. It's the perfect accessory for making the ultimate survival bracelet.

• Length: 2 3/16"
• Buckle width: 1"
• Overall width including whistle: 1 5/16"
• Inside opening for cord: 3/4"
• One Side has two openings for webbing