Features: brand new and high quality Natto is a 1000 years traditional Japanese food. It is made by fermenting soybeans with Bacillus subtilis. Easy to use, suitable for making high-quality natto even at home. Natto powder offers endless cooking possibilities just by sprinkling and mixing with your favorite food. Step 1. Soak soybeans for about 10 hours,Step 2. Steam the soybeans for about 2 hours to make them soft, then cool to about 60 degrees,Step 3. Put Bacillus natto into the beans and stir,Step 4. Using the natto machine, after 12-18 hours or more, you can enjoy natto. Please store in a refrigerator (cold and dark place) with low humidity. Specifications: Ingredients: Natto, Starch Storage method: sealed and stored in a cool and dry place. After opening, please put in the low temperature refrigerator Shelf life: 18 months Net content: About 1g/bag (10 Bags) Production date is based on packaging Note: 1.Please allow 0-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.Other parts are not included. Thanks for your understanding. Package includes: 10 x Natto Baking Powders