Set of 3, 150g bags of 100% Aomori Prefecture scallop shell powder - Product Name: 618 Scallop Powder - Country of Origin: Japan - Contents: 150g - Special Features: 100% NATURAL Thank you for viewing. By dissolving scallop powder in water, a strong alkaline solution is created. Use it in a spray bottle for cleaning and washing, or add the powder directly to your washing machine for laundry. You can consolidate the various detergents you use around the house into this one product (not suitable for alkaline stains). Because it's 100% scallop shells, it's safe to wash vegetables with. A 1cc measuring spoon is included for convenient solution preparation (this one shows some signs of use).