First aid product for leakage and discharge accidents. When touched with water, it absorbs a large amount of water with excellent water absorption speed. (Can be used repeatedly until the water absorption is saturated. Lightweight and not bulky, so it is easy to store and carry. Can be used as an alternative to dirt in the event of a typhoon or heavy rain. First aid for indoor rain leaks, water leaking pipes in bathrooms, kitchens, etc. Prevents water leakage and discharge accidents in electrical rooms, communication machine rooms, computer rooms, etc. Emergency treatment for water leakage and discharge accidents during renewal construction. For places where water leaks or discharge accidents such as behind the ceiling, in the pit, in the shaft, etc. Expedited treatment (pinhole generation, trace leaks, accumulated water, etc.). After water absorption, it can be dehydrated with a treatment agent.