This Sea moss is a gift from the ocean. It is also called sea bird nest - collagen plant. It is grown naturally under sea water without fertilizer, pesticide or grown with chemicals so you can feel free to use them. All of the sea moss was washed completely clean by sea water and dried under sunshine until it was dry enough for packing and selling to market. Style: Dried Color: Golden, Purple Shelf Life:12 months Moisture: 5-7% or 25-30% Use: Soup, tea, jelly candy, cosmetics, food processing. Impurities: 1%