・Substrate for mealworms ・Additive for fermented mats for stag beetles and rhinoceros beetles ・Can be used as an additive for mycelia, etc. For insect contamination prevention and quality control, it is stored in a refrigerator. Please avoid high-temperature and high-humidity locations for storage. Please store in a refrigerator during the summer, for long-term storage, and after opening. Contents: 1 kg x 1 bag (in a zip-lock plastic bag) Shipping costs will be high, so we cannot combine packaging. Purchasing individually will be cheaper. Thank you for your understanding.