Waterproof Metal Survival Matches Striker Lighter with Key Chain Outdoor Camping Gear Permanent match with key chain. Waterproof. Ideal accessory for camping, boating, hunting, hiking, and other outdoor activities. Consists of a cylindrical shell, with a metal rod that screws into the shell. One end of the metal rod has a wick. Material: Metal & ABS & Flint Stone; Size: 64 * 16mm / 2.5 * 0.6in (H*D)