This is a powder-type oral rehydration solution that is easy to keep on hand and carry. Expiration date: 2027/2 It's very convenient to be able to insert the stick directly into a plastic bottle! This product is a food for special dietary use, suitable for replenishing water and electrolytes for those in a dehydrated state due to diarrhea and vomiting caused by infectious gastroenteritis. It is an oral rehydration solution powder approved by the Consumer Affairs Agency as a "permitted standard type food for patients" for special dietary use. There are 19 sticks in a convenient 500mL size. The taste is an easy-to-drink citrus flavor. Because it is a powder type, it is convenient for storage and portability, and can be prepared when needed. There is no box.