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 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. It comes with 10 easy-to-use 500mL sticks. The flavor is a refreshing citrus. Because it's a powder type, it's convenient for storage and carrying, and you can be prepared when needed. Please note that the box will be flattened and packaged with the product.