Magnesium balls that naturally clean laundry without using surfactants. - Brand: MIYAMOTO - Product Name: Sentaku Mag-chan (Laundry Aid) - Color: Blue - Features: Zero surfactants - Application: Magnesium balls for laundry Ingredients: Magnesium (99.95%) Material: Asahi Kasei Fusion (Nylon/Polyester) Liquidity: Weakly alkaline Net Weight: Approximately 50g Product Life: Approximately 300 washes Manufacturer: [1] Advertising Responsibility: NDYunited Co., Ltd. 045-511-7255 [2] Manufacturer Name or Seller Name: Miyamoto Seisakusho Co., Ltd. [3] Country of Manufacture: Made in Japan I try to communicate carefully, but please understand that this is amateur storage and amateur shipping. I have a cat. You can also purchase a set of 2＾＾ If you purchase multiple items, you will receive a 100 yen discount!