... safe,eco-friendly 5.cheap,easy to use Cat LitterProduct description: It is white,translucent vitreous,another ... keep sealed.6.Place of origin: Shanghai surechan (cat litter distributors). Features:1,eco-friendly;2,moisture ... about 1.5 inches onto clean silica gel cat litter,silica gel pet litter box.2.Clean ... How to prolong applicable period of silica gel cat litter:1)For application, it should be put ...