Food Alive Celtic salt coarse 1 K Compost 1bag is an organic and 100% natural - Celtic Sea Salt/Sel de Guerande is the preferred salt of Chef\'s elite. From the Brittany coast of France, this salt is hand-harvested per traditional methods - it is sun-dried, unrefined, unprocessed and without additives. It is renowned for its very high bio-available minerals content. Composed of only 71-74 % sodium chloride (ref Dr Brian Clement), giving it a grey color. Packaged in a Home compostable bag made of paper and corn.