1.The material is edible, it is non-toxic, this is very friendly for your pet. 2.It is easy to soluble in water, You can directly pour into the toilet seat. 3.It is very friendly for the environment and nature, is a completely pollution free product. 4.Plenty of raw material and is renewable material. 5.The most important advantage is good clumping ability and coverage of the odour,clean and no powder.