This bag will quickly absorb any water that comes into contact with it. The rapid water-absorbing capacity makes it suitable for taking quick action to prevent water leaking into homes during sudden deluges of rain. Several types are available which can be used depending on the circumstances and location. 20 L type (20 bags) / 10 L type (50 bags) / 5 L type (100 bags) / 0.7 L type (200 bags)