It is not soluble in water, non-sticky, and keeps the consistency of the evaporation rate of the water agent. Porosity is evenly distributed; the water absorption is extremely strong, the water storage capacity is large, and the volatility is stable. The appearance of the sponge stick is regular, full, and the color is white. Good elasticity, water is not easy to leak after sealing the bag. It can be matched with various types of perfumes, liquid medicines and other water solvents, filter and store water, and is non-.