Ohuhu174; Multi-purpose Waterproof Survival Fire Starter Kit with High Temperature Resistant Crafted with high quality magnesium alloy lighter materials with special treatment Multiple functions in one: fire starter, luminescence, rescue whistle, bottle opener, rope cutter and ruler Waterproof, high temperature resistant, applied at any elevation Adapt for any weather condition, features high stability and reliability Popular tools among outdoor experts, hunters, campers and fishing enthusiasts