Set of 2: Multipurpose and Earth-Friendly Baking Soda (500g and 1kg) - Product Name: Baking Soda - Use: Cleaning - Package Type: Bag - Contents: 500g and 1kg - Features: Ingredients friendly to people and the earth - How to Use: Multipurpose, ideal for kitchen and cleaning My mother purchased this from a co-op, so I don't know the exact purchase date or other details.