Not for advanced navigation, but a great aid if you need to find the right direction or a backup for a more advanced compass. It fits right in your pocket and comes with a carabiner hook for attachment as well as a thermometer to keep you aware of your environmental situation. Keep this compass in your pocket or your emergency kit.
Carabiner to attach compass to clothing, bag, or backpack
Thermometer with Fahrenheit and Celsius
(1) Silva Pocket Compass with carabiner
2.25" x 2" x .35"