Magnesium Stone Flint Fire Starter Kit Outdoor Emergency Survival Camping, Hiking, Hunting, Outdoor Activities & Disaster Preparedness Mini shape, light weight, space-saving and easy to carry. Made from magnesium and iron, fireproof, water-resistant, shatterproof. Only consists two simple parts, but owns multi-function. Stringed by a black thick string, easy to carry. Function: Flint/Bottle Opener/Scraper, and more functions are waiting for your recovery.