This Naturehike Ultralight Emergency Whistle is perfect for outdoor adventurers. Made of strong and anti-rust aluminium alloy, it's lightweight yet durable. It's small and light and comes with a key ring for easy carrying, making it perfect for hiking, backpacking, or everyday use.

Features:

• Made of aluminium alloy, strong, lightweight, durable and anti-rust
• Lightweight, small and light
• There is a key chain ring
• Suitable for hiking accessories, backpack/bag accessories, as well as everyday

Specifications:

• Short Whistle
• Size: 5.5 x 90 mm
• Weight: 10g
• Material: Aluminium Alloy
• Long Whistle
  
  
• Size: 7 x 65 mm
• Weight: 12g
• Material: Aluminium Alloy