The product in display is a bottle of sainda namak special weighing around 400 grams. It has a shelf life of 12 months. The product contains no preservatives. Store in a cool and dry place. Jrc spices is Himalayan Natural Pink Rock Salt is the purest form of salt it contains up to 84 types of natural minerals like calcium magnesium potassium iron etc Jrc spices is 100% pure naturally Source and healthy for every day use. 5 gm daily consumption for an individual is recommended in Ayurveda This is totally free from harmful bleach process No chemicals and no added preservatives by using this salt you can enhance the flavor of your food. We wish you to follow the healthy lifestyle yoga meditation other regular exercises like walk & Pranayam etc.