Denshine 5 in 1 Multifunction Whistle Compass Safety Emergency Survival Outdoor Camping Essential Compass with Flint Capsule Mirror This handy little survival tool comes with a shrill signal whistle, signal mirror, compass, waterproof match container and flint. It has an attached lanyard or is small enough to fit easily in your pocket. A very useful survival tool. Luminous dial compass. Waterproof match container (with O-ring seal) Loud and shrill signal whistle. Flint bar (fire starter) on side Mirror for signaling (1" diameter). Lightweight plastic case with lanyard. Weight:35g