It is mainly made from bentonite containing more than 85% of montmorillonite, multiple minerals and organic substancesis. And it is a sort of clumping as well as soluble cat litter of super deodorization and low dust. Its speed of absorption and swelling is twice of traditional bentonite cat litter and consumption is only 2/3 of that. Based on advantages above, soluble mineral cat litter is an ideal replacement of tofu cat litter and imported bentonite cat litter in the market. Adding activated-carbon can absorb more bad odor.