Botu Clumping Cat Litter adopts clay minerals as main raw material, is made through special processing produre. It appears as granule, and it is totally environmental-friendly. It can aborb liquid out of urine and solid waste quickly and completely. It also can remove odor to keep your home fresh. Compared with silica gel cat litter, its has much stonger adsorption ability. Additonally, its price is far more favorable than silica gel one. You can rest assured of the quality of our products.