Features: and high quality Natto is a traditional Japanese food made by fermenting soybeans with Bacillus subtilis Easy to use, suitable for making high-quality natto at home Natto powder can be sprinkled and mixed with various foods for versatile cooking options Step 1: Soak soybeans for about 10 hours Step 2: Steam the soybeans for about 2 hours until soft, then cool to approximately 60 degrees Step 3: Add Bacillus natto to the beans and stir thoroughly Step 4: Use a natto fermentation machine; after 12-18 hours or more, natto is ready to enjoy Store in a refrigerator in a cold and dark place with low humidity Specifications: Ingredients: Natto, Starch Storage method: Seal and store in a cool, dry place. After opening, store in a low-temperature refrigerator Shelf life: 18 months Net content: Approximately 1g per bag (10 bags) Production date as marked on packaging Note: 1. Please allow 0-2cm measurement variation due to manual measuring; ensure you are comfortable with this before ordering 2. Due to differences in monitor displays, the actual color of the item may vary slightly from the image 3. Other items shown are not included Thank you for your understanding Package includes: 10 x Natto Fermentation Powders