Long Burn Time , Light Weight , Burns Wet Or Dry , Nontoxic Fire Starting Tinder That Burns Even On A Wet Surface , Burn Rate Will Vary Upon Environmental Conditions. , If Entire Wetfire Cube Is Not Used It Can Be Reused For Up To Three Months , For Best Results Store Partially Used Cube In A Plastic Bag Or Container , Fully Sealed Cubes In Originally Packaging Can Retain Their Fire Starting Properties For Approximately 5 Years , Made In USA