Estone 3 in1 Flint Stone Survival Magnesium Fire Starter Lighter+Whistle +Compass Red This multi-tool can satisfy your different needs. It includes flint, whistle, compass. A Great Helper for your outdoor life. Mini shape, light weight, space-saving and easy to carry. Applicable at anywhere, anytime and any condition, including moist weather or low temperature Simplicity of operation. Stringed by a black string, easy to carry. Patent product, high quality, can be used for thousands of times.