Thank you for viewing! Product: Zpacks Ultralight Titanium Whistle ★ Brand new, unused ★ Ships within 24 hours of order ★ Immediate purchase OK Made with high-grade titanium, this whistle is incredibly light yet tough. Weighing only a few grams, it's a safety tool that emits a sharp sound that can be heard even in the forest. A must-have for hikers, backpackers, and adventure enthusiasts! Features: Lightweight & Compact: Weighs only 5.0 g (7.2 g including the cord), so it won't add weight to your pack. Convenient Attachment: Designed to be attached to a shoulder strap for immediate use when needed. Versatile: Can be used for a variety of purposes, such as navigating through dense forests, signaling for help, or signaling to companions. Dimensions: 5.4 cm x 0.8 cm