It is useful for outdoor travel.

Features:
Mini shape， light weight， space-saving and easy to carry.
Water resistant and durable to use.
Only consists two simple parts， but it owns multi-function.
The flint can be used as a whistle for emergency.
Liquid filled compass which rotates automatically to indicate the direction. 
Applicable at anywhere， anytime and any condition， including moist weather or low temperature.
Simplicity of operation.
High quality， can be used for thousands of times.

Specifications:
Flint Material: ABS & Magnesium 
Compass Material: ABS & Acryl
Flint Color: Green
Compass Color: Red
Item Size: 8 * 2 * 0.4cm / 3.15 * 0.79 * 0.16in
Flint Length: 4.5cm / 1.77in
Flint Weight: 10g / 0.34oz
Compass Weight: 28g / 1.03oz
Package Size: 9 * 8.5 * 1cm / 3.54 * 3.35 * 0.39in
Package Weight: 41g / 1.44oz

Package List:
1 * Flint Fire Maker
1 * Compass Carabiner Hook