wetfire fire starting tinder 8 pack made in the usa. Long burn time. Lightweight. Burns wet or dry. non-toxic fire starting tinder that burns even on a wet surface. burn rate will vary depending on 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 original packaging can retain their fire starting properties for approximately 5 years.