Silk fabric in organic quality. With spring water from Mount Fuji. Clearspring Organic Long Life Tofu is made from just three ingredients: organic soybeans, spring water from Mount Fuji and Nigari, a naturally occurring mineral-rich coagulant from seawater. It is denser and richer than other soft tofu and has a silky soft, smooth texture while maintaining firmness. It is very easy to use and tastes as good as fresh tofu.